-
question_answer1)
The expression for the solubility product of \[A{{l}_{2}}\,{{(S{{O}_{4}})}_{3}}\]is
A)
\[{{K}_{sp}}=[A{{l}^{3+}}]\,\,(SO_{4}^{2-}]\] done
clear
B)
\[{{K}_{sp}}={{[A{{l}^{3+}}]}^{2}}\,\,{{(SO_{4}^{2-}]}^{3}}\] done
clear
C)
\[{{K}_{sp}}={{[A{{l}^{3+}}]}^{3}}\,\,{{(SO_{4}^{2-}]}^{2}}\] done
clear
D)
\[{{K}_{sp}}={{[A{{l}^{3+}}]}^{2}}\,\,{{(SO_{4}^{2-}]}^{2}}\] done
clear
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question_answer2)
On addition of ammonium chloride to a solution of ammonium hydroxide [CPMT 1976, 80, 81, 99; NCERT 1976, 77; MP PMT 1989, 99; DPMT 1983]
A)
Dissociation of \[N{{H}_{4}}OH\]increases done
clear
B)
Concentration of \[O{{H}^{-}}\]increases done
clear
C)
Concentration of \[O{{H}^{-}}\]decreases done
clear
D)
Concentration of \[NH_{4}^{+}\] and \[O{{H}^{-}}\]increases done
clear
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question_answer3)
The solubility product of a salt having general formula \[M{{X}_{2}},\] in water is: \[4\times {{10}^{-12}}\]. The concentration of \[{{M}^{2+}}\] ions in the aqueous solution of the salt is [AIEEE 2005]
A)
\[2.0\times {{10}^{-6}}M\] done
clear
B)
\[1.0\times {{10}^{-4}}M\] done
clear
C)
\[1.6\times {{10}^{-4}}M\] done
clear
D)
\[4.0\times {{10}^{-10}}M\] done
clear
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question_answer4)
In a saturated solution of electrolyte, the ionic product of their concentration are constant at constant temperature and this constant for electrolyte is known as [CPMT 1983]
A)
Ionic product done
clear
B)
Solubility product done
clear
C)
Ionization constant done
clear
D)
Dissociation constant done
clear
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question_answer5)
If the solubility product \[{{K}_{sp}}\] of a sparingly soluble salt \[M{{X}_{2}}\] at \[25{}^\circ C\] is \[1.0\times {{10}^{-11}}\], the solubility of the salt in mole litre?1 at this temperature will be [RPMT 2000]
A)
\[2.46\times {{10}^{14}}\] done
clear
B)
\[1.36\times {{10}^{-4}}\] done
clear
C)
\[2.60\times {{10}^{-7}}\] done
clear
D)
\[1.20\times {{10}^{-10}}\] done
clear
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question_answer6)
The unit of ionic product of water \[{{K}_{w}}\] are [UPSEAT 2001, 02]
A)
\[Mo{{l}^{-1}}{{L}^{-1}}\] done
clear
B)
\[Mo{{l}^{-2}}{{L}^{-2}}\] done
clear
C)
\[Mo{{l}^{-2}}{{L}^{-1}}\] done
clear
D)
\[Mo{{l}^{2}}{{L}^{-2}}\] done
clear
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question_answer7)
A solution which is \[{{10}^{-3}}M\] each in \[M{{n}^{2+}},\,F{{e}^{2+}},\,Z{{n}^{2+}}\] and \[H{{g}^{2+}}\] is treated with \[{{10}^{-16}}M\] sulphide ion. If \[{{K}_{sp}}\] of \[MnS,\,FeS,\,ZnS\] and \[HgS\] are \[{{10}^{-15}},\,{{10}^{-23}},\,{{10}^{-20}}\] and \[{{10}^{-54}}\] respectively, which one will precipitate first [IIT Screening 2003]
A)
\[FeS\] done
clear
B)
\[MgS\] done
clear
C)
\[HgS\] done
clear
D)
\[ZnS\] done
clear
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question_answer8)
Let the solubility of an aqueous solution of \[Mg{{(OH)}_{2}}\] be x then its \[{{k}_{sp}}\] is [AIEEE 2002]
A)
\[4{{x}^{3}}\] done
clear
B)
\[108{{x}^{5}}\] done
clear
C)
\[27{{x}^{4}}\] done
clear
D)
\[9x\] done
clear
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question_answer9)
The solubility product of \[BaS{{O}_{4}}\] at \[25{}^\circ C\] is \[1.0\times {{10}^{-9}}\]. What would be the concentration of \[{{H}_{2}}S{{O}_{4}}\] necessary to precipitate \[BaS{{O}_{4}}\] from a solution of \[0.01\,M\,B{{a}^{2+}}\]ions [RPMT 1999]
A)
\[{{10}^{-9}}\] done
clear
B)
\[{{10}^{-8}}\] done
clear
C)
\[{{10}^{-7}}\] done
clear
D)
\[{{10}^{-6}}\] done
clear
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question_answer10)
The solubility in water of a sparingly soluble salt \[A{{B}_{2}}\] is \[1.0\times {{10}^{-5}}mol\,{{l}^{-1}}\]. Its solubility product number will be [AIEEE 2003]
A)
\[4\times {{10}^{-15}}\] done
clear
B)
\[4\times {{10}^{-10}}\] done
clear
C)
\[1\times {{10}^{-15}}\] done
clear
D)
\[1\times {{10}^{-10}}\] done
clear
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question_answer11)
The solubility of \[Ca{{F}_{2}}\] is a moles/litre. Then its solubility product is ?.. [Orissa JEE 2002]
A)
\[{{s}^{2}}\] done
clear
B)
\[4{{s}^{3}}\] done
clear
C)
\[3{{s}^{2}}\] done
clear
D)
\[{{s}^{3}}\] done
clear
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question_answer12)
On passing a current of \[HCl\] gas in a saturated solution of \[NaCl,\] the solubility of \[NaCl\] [CPMT 1989; CBSE PMT 1989]
A)
Increases done
clear
B)
Decreases done
clear
C)
Remains unchanged done
clear
D)
\[NaCl\]decomposes done
clear
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question_answer13)
Which is the correct representation of the solubility product constant of \[A{{g}_{2}}Cr{{O}_{4}}\] [NCERT 1974, 75]
A)
\[{{[A{{g}^{+}}]}^{2}}\,[CrO_{4}^{-2}]\] done
clear
B)
\[[A{{g}^{+}}]\,\,[CrO_{4}^{-2}]\] done
clear
C)
\[[2A{{g}^{+}}]\,\,[CrO_{4}^{-2}]\] done
clear
D)
\[{{[2A{{g}^{+}}]}^{2}}\,\,[CrO_{4}^{-2}]\] done
clear
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question_answer14)
The solubility of \[Ca{{F}_{2}}\] is\[2\times {{10}^{-4}}\,moles/litre.\] Its solubilily product \[({{K}_{sp}})\] is [NCERT 1981; BHU 1983, 86; MP PET 1992; CBSE PMT 1999]
A)
\[2.0\times {{10}^{-4}}\] done
clear
B)
\[4.0\times {{10}^{-3}}\] done
clear
C)
\[8.0\times {{10}^{-12}}\] done
clear
D)
\[3.2\times {{10}^{-11}}\] done
clear
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question_answer15)
Solubility product of a sulphide MS is \[3\times {{10}^{-25}}\]and that of another sulphide NS is \[4\times {{10}^{-40}}\]. In ammoniacal solution [NCERT 1981]
A)
Only NS gets precipitated done
clear
B)
Only MS gets precipitated done
clear
C)
No sulphide precipitates done
clear
D)
Both sulphides precipitate done
clear
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question_answer16)
Which of the following salts when dissolved in water will get hydrolysed [MNR 1985; CPMT 1989; CBSE PMT 1989; MP PET 1999]
A)
\[NaCl\] done
clear
B)
\[N{{H}_{4}}Cl\] done
clear
C)
\[KCl\] done
clear
D)
\[N{{a}_{2}}S{{O}_{4}}\] done
clear
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question_answer17)
The aqueous solution of \[FeC{{l}_{3}}\] is acidic due to [CPMT 1972, 79, 83, 84; MP PET/PMT 1988; RPMT 2000]
A)
Acidic impurities done
clear
B)
Ionisation done
clear
C)
Hydrolysis done
clear
D)
Dissociation done
clear
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question_answer18)
A precipitate of \[AgCl\] is formed when equal volumes of the following are mixed. \[[{{K}_{sp}}\] for \[AgCl={{10}^{-10}}]\] [KCET 2005]
A)
\[{{10}^{-4}}M\,AgN{{O}_{3}}\] and \[{{10}^{-7}}M\,HCl\] done
clear
B)
\[{{10}^{-5}}M\,AgN{{O}_{3}}\] and \[{{10}^{-6}}M\,HCl\] done
clear
C)
\[{{10}^{-5}}M\,AgN{{O}_{3}}\] and \[{{10}^{-4}}M\,HCl\] done
clear
D)
\[{{10}^{-6}}M\,AgN{{O}_{3}}\] and \[{{10}^{-6}}M\,HCl\] done
clear
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question_answer19)
The solubility of silver chromate in 0.01 M \[{{K}_{2}}Cr{{O}_{4}}\] is \[2\times {{10}^{-8}}mol\,d{{m}^{-3}}\]. The solubility product of silver chromate will be [MH CET 2000]
A)
\[8\times {{10}^{-24}}\] done
clear
B)
\[16\times {{10}^{-24}}\] done
clear
C)
\[1.6\times {{10}^{-18}}\] done
clear
D)
\[16\times {{10}^{-18}}\] done
clear
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question_answer20)
Some salts although containing two different metallic elements give test for only one of them in solution. Such salts are [MNR 1979]
A)
Double salts done
clear
B)
Normal salts done
clear
C)
Complex salts done
clear
D)
Basic salts done
clear
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question_answer21)
What is the \[pH\] value of \[\frac{N}{1000}\,KOH\] solution [CPMT 1975; MNR 1986, 91; Pb. CET 2004]
A)
\[{{10}^{-11}}\] done
clear
B)
3 done
clear
C)
2 done
clear
D)
11 done
clear
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question_answer22)
Mohr's salt is a [MNR 1986]
A)
Normal salt done
clear
B)
Acid salt done
clear
C)
Basic salt done
clear
D)
Double salt done
clear
View Solution play_arrow
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question_answer23)
Aqueous solution of sodium acetate is [MNR 1978; CPMT 1971, 80, 81; MADT Bihar 1982; MP PMT 1985;]
A)
Neutral done
clear
B)
Weakly acidic done
clear
C)
Strongly acidic done
clear
D)
Alkaline done
clear
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question_answer24)
Which is the correct alternate for hydrolysis constant of \[N{{H}_{4}}CN\] [CBSE PMT 1989]
A)
\[\sqrt{\frac{{{K}_{w}}}{{{K}_{a}}}}\] done
clear
B)
\[\frac{{{K}_{w}}}{{{K}_{a}}\times {{K}_{b}}}\] done
clear
C)
\[\sqrt{\frac{{{K}_{b}}}{c}}\] done
clear
D)
\[\frac{{{K}_{a}}}{{{K}_{b}}}\] done
clear
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question_answer25)
Which of the following salts undergoes hydrolysis [CPMT 1972, 74, 78; DPMT 1985]
A)
\[C{{H}_{3}}COONa\] done
clear
B)
\[KN{{O}_{3}}\] done
clear
C)
\[NaCl\] done
clear
D)
\[{{K}_{2}}S{{O}_{4}}\] done
clear
View Solution play_arrow
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question_answer26)
What will happen if \[CC{{l}_{4}}\] is treated with \[AgN{{O}_{3}}\] [DPMT 1983]
A)
A white ppt. of \[AgCl\] will form done
clear
B)
\[N{{O}_{2}}\] will be evolved done
clear
C)
\[CC{{l}_{4}}\] will dissolve in \[AgN{{O}_{3}}\] done
clear
D)
Nothing will happen done
clear
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question_answer27)
The correct representation for solubility product of \[Sn{{S}_{2}}\]is [CPMT 1977; MP PET 1999;RPMT 2000]
A)
\[3\times {{10}^{-2}}\,M\] done
clear
B)
\[[S{{n}^{2+}}]\,\,{{[{{S}^{2-}}]}^{2}}\] done
clear
C)
\[[S{{n}^{2+}}]\,\,[2{{S}^{2-}}]\] done
clear
D)
\[[S{{n}^{4+}}]\,\,{{[2{{S}^{2-}}]}^{2}}\] done
clear
View Solution play_arrow
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question_answer28)
A precipitate of calcium oxalate will not dissolve in [CPMT 1971, 89; IIT 1986]
A)
\[HCl\] done
clear
B)
\[HN{{O}_{3}}\] done
clear
C)
Aquaregia done
clear
D)
\[C{{H}_{3}}COOH\] done
clear
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question_answer29)
Baking soda is [RPMT 2000]
A)
Basic salt done
clear
B)
Acidic salt done
clear
C)
Complex salt done
clear
D)
Double salt done
clear
View Solution play_arrow
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question_answer30)
Which one of the following substances will be a mixed salt [DPMT 1982; CPMT 1972]
A)
\[NaHC{{O}_{3}}\] done
clear
B)
\[Ca(OCl)Cl\] done
clear
C)
\[{{K}_{2}}S{{O}_{4}}\,A{{l}_{2}}{{(S{{O}_{4}})}_{3}}.24{{H}_{2}}O\] done
clear
D)
\[Mg\,(OH)Br\] done
clear
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question_answer31)
Solubility product of \[BaC{{l}_{2}}\] is \[4\times {{10}^{-9}}\]. Its solubility in moles/litre would be [AFMC 1982; Roorkee 1990; BHU 2000]
A)
\[1\times {{10}^{-3}}\] done
clear
B)
\[1\times {{10}^{-9}}\] done
clear
C)
\[4\times {{10}^{-27}}\] done
clear
D)
\[1\times {{10}^{-27}}\] done
clear
View Solution play_arrow
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question_answer32)
Which hydroxide will have lowest value of solubility product at normal temperature \[({{25}^{o}}C)\] [IIT 1990; RPMT 1997]
A)
\[Mg\,{{(OH)}_{2}}\] done
clear
B)
\[Ca\,{{(OH)}_{2}}\] done
clear
C)
\[Ba\,{{(OH)}_{2}}\] done
clear
D)
\[Be\,{{(OH)}_{2}}\] done
clear
View Solution play_arrow
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question_answer33)
Which will not be hydrolysed [MP PMT 1989]
A)
Potassium nitrate done
clear
B)
Potassium cyanide done
clear
C)
Potassium succinate done
clear
D)
Potassium carbonate done
clear
View Solution play_arrow
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question_answer34)
Which pair will show common ion effect [MP PMT 1990, 99; Pb. PMT 2001]
A)
\[BaC{{l}_{2}}+Ba\,{{(N{{O}_{3}})}_{2}}\] done
clear
B)
\[NaCl+HCl\] done
clear
C)
\[N{{H}_{4}}OH+N{{H}_{4}}Cl\] done
clear
D)
\[AgCN+KCN\] done
clear
View Solution play_arrow
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question_answer35)
Which is least soluble in water [UPSEAT 1999]
A)
\[AgCl\] done
clear
B)
\[AgF\] done
clear
C)
\[AgI\] done
clear
D)
\[A{{g}_{2}}S\] done
clear
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question_answer36)
A white salt is readily soluble in water and gives a colourless solution with a \[pH\]of about 9. The salt would be [Pb. PMT 1998]
A)
\[N{{H}_{4}}N{{O}_{3}}\] done
clear
B)
\[C{{H}_{3}}COONa\] done
clear
C)
\[C{{H}_{3}}COON{{H}_{4}}\] done
clear
D)
\[CaC{{O}_{3}}\] done
clear
View Solution play_arrow
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question_answer37)
If acetic acid mixed with sodium acetate, then \[{{H}^{+}}\]ion concentration will be [Roorkee 1995]
A)
Increased done
clear
B)
Decreased done
clear
C)
Remains unchanged done
clear
D)
\[pH\]Decreased done
clear
View Solution play_arrow
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question_answer38)
Solubility of \[AgCl\] will be minimum in [CBSE PMT 1995]
A)
\[0.001\,M\,AgN{{O}_{3}}\] done
clear
B)
Pure water done
clear
C)
\[0.30\,\,M\] done
clear
D)
\[0.01\,M\,NaCl\] done
clear
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question_answer39)
In absence of formation of complex ions by the addition of a common ion, the solubility of a given salt is [BHU 1979]
A)
Increased done
clear
B)
Decreased done
clear
C)
Unaffected done
clear
D)
First increased and then decreased done
clear
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question_answer40)
At 298 K, the solubility product of \[PbC{{l}_{2}}\] is \[1.0\times {{10}^{-6}}\]. What will be the solubility of \[PbC{{l}_{2}}\]in moles/litre [MP PMT 1990; CPMT 1985, 96]
A)
\[6.3\times {{10}^{-3}}\] done
clear
B)
\[1.0\times {{10}^{-3}}\] done
clear
C)
\[3.0\times {{10}^{-3}}\] done
clear
D)
\[4.6\times {{10}^{-14}}\] done
clear
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question_answer41)
Solubility product is [CET Pune 1998]
A)
The ionic product of an electrolyte in its saturated solution done
clear
B)
The product of the solubilities of the ions of the electrolyte done
clear
C)
The product of solubilities of the salts done
clear
D)
The product of the concentration of the ions done
clear
View Solution play_arrow
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question_answer42)
Ionic product of water increases, if [AMU 1983; MP PET 1986; MP PET/PMT 1988; JIPMER 2002]
A)
Pressure is reduced done
clear
B)
\[{{H}^{+}}\]is added done
clear
C)
\[O{{H}^{-}}\]is added done
clear
D)
Temperature increases done
clear
View Solution play_arrow
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question_answer43)
Which one is a mixed salt [DPMT 1985]
A)
\[NaHS{{O}_{4}}\] done
clear
B)
\[NaKS{{O}_{4}}\] done
clear
C)
\[{{K}_{4}}Fe{{(CN)}_{6}}\] done
clear
D)
\[Mg(OH)Cl\] done
clear
View Solution play_arrow
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question_answer44)
If \[{{K}_{sp}}\] for \[HgS{{O}_{4}}\] is \[6.4\times {{10}^{-5}},\] then solubility of the salt is [AFMC 1997; KCET 2000; CPMT 2000; JIPMER 2001]
A)
\[8\times {{10}^{-3}}\] done
clear
B)
\[8\times {{10}^{-6}}\] done
clear
C)
\[6.4\times {{10}^{-5}}\] done
clear
D)
\[6.4\times {{10}^{-3}}\] done
clear
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question_answer45)
The solubility of \[BaS{{O}_{4}}\] in water is \[2.33\times {{10}^{-3}}\,gm/litre.\] Its solubility product will be (molecular weight of \[BaS{{O}_{4}}=233)\] [AIIMS 1998]
A)
\[1\times {{10}^{-5}}\] done
clear
B)
\[1\times {{10}^{-10}}\] done
clear
C)
\[1\times {{10}^{-15}}\] done
clear
D)
\[1\times {{10}^{-20}}\] done
clear
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question_answer46)
The solubility of \[AgCl\] in \[0.2\,\,M\,\,NaCl\] solution \[({{K}_{sp}}\]for \[AgCl=1.20\times {{10}^{-10}})\] is [MP PET 1996]
A)
\[0.2\,\,M\] done
clear
B)
\[1.2\times {{10}^{-10}}\,M\] done
clear
C)
\[0.2\times {{10}^{-10}}\,M\] done
clear
D)
\[0.2\times {{10}^{-10}}\,M\] done
clear
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question_answer47)
The solubility of \[AgI\] in \[NaI\] solution is less than that in pure water because [UPSEAT 2001]
A)
AgI forms complex with NaI done
clear
B)
Of common ion effect done
clear
C)
Solubility product of AgI is less than that of NaI done
clear
D)
The temperature of the solution decreases done
clear
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question_answer48)
The solubility product of \[BaS{{O}_{4}}\] is \[1.5\times {{10}^{-9}}.\] The precipitation in a 0.01 \[M\,\,B{{a}^{2+}}\]solution will start, on adding \[{{H}_{2}}S{{O}_{4}}\] of concentration [CPMT 1988]
A)
\[{{10}^{-9}}M\] done
clear
B)
\[{{10}^{-8}}M\] done
clear
C)
\[{{10}^{-7}}M\] done
clear
D)
\[{{10}^{-6}}M\] done
clear
View Solution play_arrow
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question_answer49)
At \[{{20}^{o}}C,\] the \[A{{g}^{+}}\]ion concentration in a saturated solution of \[A{{g}_{2}}Cr{{O}_{4}}\] is\[1.5\times {{10}^{-4}}\,mole/litre.\] At \[{{20}^{o}}C,\]the solubility product of \[A{{g}_{2}}Cr{{O}_{4}}\] would be [MP PET 1997; MP PMT 1999]
A)
\[3.3750\times {{10}^{-12}}\] done
clear
B)
\[1.6875\times {{10}^{-10}}\] done
clear
C)
\[1.6875\times {{10}^{-12}}\] done
clear
D)
\[1.6875\times {{10}^{-11}}\] done
clear
View Solution play_arrow
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question_answer50)
The solubility of \[PbC{{l}_{2}}\]is [MP PMT 1995; DCE 1999]
A)
\[\sqrt{{{K}_{sp}}}\] done
clear
B)
\[^{3}\sqrt{{{K}_{sp}}}\] done
clear
C)
\[^{3}\sqrt{\frac{{{K}_{sp}}}{4}}\] done
clear
D)
\[\sqrt{8{{K}_{sp}}}\] done
clear
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question_answer51)
The solubility product of \[1\times {{10}^{-5}}\] is \[1.44\times {{10}^{-4}}\] at\[{{100}^{o}}C\]. The solubility of silver chloride in boiling water may be [MP PMT 1994; Bihar MEE 1998]
A)
\[0.72\times {{10}^{-4}}\,M\] done
clear
B)
\[1.20\times {{10}^{-2}}\,M\] done
clear
C)
\[{{80}^{o}}C,\] done
clear
D)
\[0.5\,M\,HCOOH,\] done
clear
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question_answer52)
If the solubility of a sparingly soluble salt of the type \[B{{A}_{2}}\] (giving three ions on dissociation of a molecule) is \[x\] moles per litre, then its solubility product is given by [BHU 1987]
A)
\[{{x}^{2}}\] done
clear
B)
\[2{{x}^{3}}\] done
clear
C)
\[4{{x}^{2}}\] done
clear
D)
\[4{{x}^{3}}\] done
clear
View Solution play_arrow
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question_answer53)
The solubility product of \[A{{g}_{2}}Cr{{O}_{4}}\]is \[32\times {{10}^{-12}}\]. What is the concentration of \[CrO_{4}^{-}\] ions in that solution [BHU 1997; DPMT 2004]
A)
\[2\times {{10}^{-4}}\,m/s\] done
clear
B)
\[16\times {{10}^{-4}}\,m/s\] done
clear
C)
\[8\times {{10}^{-4}}\,m/s\] done
clear
D)
\[8\times {{10}^{-8}}\,m/s\] done
clear
View Solution play_arrow
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question_answer54)
The addition of \[HCl\] will not suppress the ionization of [MP PET 1993]
A)
Acetic acid done
clear
B)
Benzoic acid done
clear
C)
\[{{H}_{2}}S\] done
clear
D)
Sulphuric acid done
clear
View Solution play_arrow
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question_answer55)
On the addition of a solution containing \[Cr{{O}_{4}}^{2-}\]ions to the solution of \[B{{a}^{2+}},\,\,S{{r}^{2+}}\] and \[C{{a}^{2+}}\]ions, the precipitate obtained first will be of [MP PMT 1993]
A)
\[CaCr{{O}_{4}}\] done
clear
B)
\[SrCr{{O}_{4}}\] done
clear
C)
\[BaCr{{O}_{4}}\] done
clear
D)
Mixture of A, B, C done
clear
View Solution play_arrow
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question_answer56)
The solubility product of a sparingly soluble salt \[AB\] at room temperature is \[1.21\times {{10}^{-6}}\]. Its molar solubility is [CPMT 1987; MP PET 2001]
A)
\[1.21\times {{10}^{-6}}\] done
clear
B)
\[1.21\times {{10}^{-3}}\] done
clear
C)
\[1.1\times {{10}^{-4}}\] done
clear
D)
\[1.1\times {{10}^{-4}}\] done
clear
View Solution play_arrow
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question_answer57)
The precipitation occurs if ionic concentration is [AFMC 1995; J & K 2005]
A)
Less than solubility product done
clear
B)
More than solubility product done
clear
C)
Equal to solubility product done
clear
D)
None of these done
clear
View Solution play_arrow
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question_answer58)
If \[S\] and \[{{K}_{sp}}\] are respectively solubility and solubility product of a sparingly soluble binary electrolyte, then [CPMT 1988; MP PMT 1999]
A)
\[S={{K}_{sp}}\] done
clear
B)
\[S=K_{sp}^{2}\] done
clear
C)
\[S=\sqrt{{{K}_{sp}}}\] done
clear
D)
\[S=\frac{1}{2}{{K}_{sp}}\] done
clear
View Solution play_arrow
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question_answer59)
Any precipitate is formed when [AIIMS 1982; DPMT 1985; KCET 1999; MP PMT 2004]
A)
Solution becomes saturated done
clear
B)
The value of ionic product is less that than the value of solubility product done
clear
C)
The value of ionic product is equal than the value of solubility product done
clear
D)
The value of ionic product is greater than the value of solubility product done
clear
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question_answer60)
The solubility product of \[AgCl\] is \[4.0\times {{10}^{-10}}\] at \[298\,\,K.\] The solubility of \[AgCl\]in \[0.04\,m\,\,CaC{{l}_{2}}\] will be [KCET 1996]
A)
\[2.0\times {{10}^{-5}}\,m\] done
clear
B)
\[1.0\times {{10}^{-4}}\,m\] done
clear
C)
\[5.0\times {{10}^{-9}}\,m\] done
clear
D)
\[2.2\times {{10}^{-4}}\,m\] done
clear
View Solution play_arrow
-
question_answer61)
Hydrolysis of sodium acetate will give [MNR 1978]
A)
Acidic solution done
clear
B)
Basic solution done
clear
C)
Neutral solution done
clear
D)
Normal solution done
clear
View Solution play_arrow
-
question_answer62)
If the solubility product of \[BaS{{O}_{4}}\]is \[1.5\times {{10}^{-9}}\]in water, its solubility in moles per litre, is [BHU 1995; MP PET 1995; UPSEAT 204]
A)
\[1.5\times {{10}^{-9}}\] done
clear
B)
\[3.9\times {{10}^{-5}}\] done
clear
C)
\[7.5\times {{10}^{-5}}\] done
clear
D)
\[1.5\times {{10}^{-5}}\] done
clear
View Solution play_arrow
-
question_answer63)
On passing \[{{H}_{2}}S\] gas through a highly acidic solution containing \[C{{d}^{2+}}\]ions, \[CdS\]is not precipitated because
A)
Of common ion effect done
clear
B)
The solubility of \[CdS\]is low done
clear
C)
\[C{{d}^{2+}}\]ions do not form complex with \[{{H}_{2}}S\] done
clear
D)
The solubility product of \[CdS\] is low done
clear
View Solution play_arrow
-
question_answer64)
Which of the following will occur if a 0.1 M solution of a weak acid is diluted to \[0.01\,M\] at constant temperature [UPSEAT 2001, 02]
A)
\[[{{H}^{+}}]\] will decrease to 0.01 M done
clear
B)
\[pH\] will decrease done
clear
C)
Percentage ionization will increase done
clear
D)
\[{{K}_{a}}\] will increase done
clear
View Solution play_arrow
-
question_answer65)
If solubility of calcium hydroxide is \[\sqrt{3}\], then its solubility product will be [MH CET 2002]
A)
27 done
clear
B)
3 done
clear
C)
9 done
clear
D)
\[12\sqrt{3}\] done
clear
View Solution play_arrow
-
question_answer66)
When \[N{{H}_{4}}Cl\] is added to \[N{{H}_{4}}OH\] solution, the dissociation of ammonium hydroxide is reduced. It is due to [MP PMT 1993]
A)
Common ion effect done
clear
B)
Hydrolysis done
clear
C)
Oxidation done
clear
D)
Reduction done
clear
View Solution play_arrow
-
question_answer67)
At 298 K, the solubility of \[PbC{{l}_{2}}\] is \[2\times {{10}^{-2}}mol/lit\], then \[{{k}_{sp}}=\] [RPMT 2002]
A)
\[1\times {{10}^{-7}}\] done
clear
B)
\[3.2\times {{10}^{-7}}\] done
clear
C)
\[1\times {{10}^{-5}}\] done
clear
D)
\[3.2\times {{10}^{-5}}\] done
clear
View Solution play_arrow
-
question_answer68)
The solubility product of silver sulphide is \[3.2\times {{10}^{-11}}.\]Its solubility at the experimental temperature is
A)
\[2\times {{10}^{-4}}\]moles per litre done
clear
B)
\[6\times {{10}^{-6}}\]moles per litre done
clear
C)
\[1.2\times {{10}^{-5}}\]moles per litre done
clear
D)
\[8\times {{10}^{-4}}\]moles per litre done
clear
View Solution play_arrow
-
question_answer69)
The solubility of \[CaC{{O}_{3}}\]in water is \[3.05\times {{10}^{-4}}moles/litre.\] Its solubility product will be [MP PMT 1997]
A)
\[3.05\times {{10}^{-4}}\] done
clear
B)
10 done
clear
C)
\[6.1\times {{10}^{-4}}\] done
clear
D)
\[9.3\times {{10}^{-8}}\] done
clear
View Solution play_arrow
-
question_answer70)
Solubility of \[Ba{{F}_{2}}\] in a solution \[Ba{{(N{{O}_{3}})}_{2}}\] will be represents by the concentration term [UPSEAT 2001, 02; CPMT 2002]
A)
\[[B{{a}^{++}}]\] done
clear
B)
\[[{{F}^{-}}]\] done
clear
C)
\[\frac{1}{2}[{{F}^{-}}]\] done
clear
D)
\[2\,[NO_{3}^{-}]\] done
clear
View Solution play_arrow
-
question_answer71)
The solubility of \[PbC{{l}_{2}}\] at \[{{25}^{o}}C\] is \[6.3\times {{10}^{-3}}\]mole/litre. Its solubility product at that temperature is [NCERT 1979; CPMT 1985]
A)
\[(6.3\times {{10}^{-3}})\times (6.3\times {{10}^{-3}})\] done
clear
B)
\[(6.3\times {{10}^{-3}})\times (12.6\times {{10}^{-3}})\] done
clear
C)
\[(6.3\times {{10}^{-3}})\times {{(12.6\times {{10}^{-3}})}^{2}}\] done
clear
D)
\[(12.6\times {{10}^{-3}})\times (12.6\times {{10}^{-3}})\] done
clear
View Solution play_arrow
-
question_answer72)
Which of the following cannot be hydrolysed [MP PMT 1996]
A)
A salt of weak acid and strong base done
clear
B)
A salt of strong acid and weak base done
clear
C)
A salt of weak acid and weak base done
clear
D)
A salt of strong acid and strong base done
clear
View Solution play_arrow
-
question_answer73)
\[pH\]of water is 7. When a substance \[Y\]is dissolved in water, the \[pH\]becomes 13. The substance \[Y\]is a salt of [MP PMT 1997]
A)
Strong acid and strong base done
clear
B)
Weak acid and weak base done
clear
C)
Strong acid and weak base done
clear
D)
Weak acid and strong base done
clear
View Solution play_arrow
-
question_answer74)
Which is a basic salt [MP PMT 1985]
A)
\[PbS\] done
clear
B)
\[PbC{{O}_{3}}\] done
clear
C)
\[PbS{{O}_{4}}\] done
clear
D)
\[2PbC{{O}_{3}}.Pb{{(OH)}_{2}}\] done
clear
View Solution play_arrow
-
question_answer75)
The saturated solution of \[A{{g}_{2}}S{{O}_{4}}\] is \[2.5\times {{10}^{-2}}\,M.\] Its solubility product \[({{K}_{sp}})\] is [NCERT 1980]
A)
\[62.5\times {{10}^{-6}}\] done
clear
B)
\[6.25\times {{10}^{-4}}\] done
clear
C)
\[15.625\times {{10}^{-6}}\] done
clear
D)
\[3.125\times {{10}^{-6}}\] done
clear
View Solution play_arrow
-
question_answer76)
\[{{K}_{sp}}\]for sodium chloride is \[36\,\,mo{{l}^{2}}/litr{{e}^{2}}.\] The solubility of sodium chloride is [BHU 1981]
A)
\[\frac{1}{36}\] done
clear
B)
\[\frac{1}{6}\] done
clear
C)
6 done
clear
D)
3600 done
clear
View Solution play_arrow
-
question_answer77)
Sodium chloride is purified by passing hydrogen chloride gas in an impure solution of sodium chloride. It is based on [MP PMT 1996]
A)
Buffer action done
clear
B)
Common ion effect done
clear
C)
Association of salt done
clear
D)
Hydrolysis of salt done
clear
View Solution play_arrow
-
question_answer78)
If the concentration of lead iodide in its saturated solution at \[{{25}^{o}}C\]be \[2\times {{10}^{-3}}\]moles per litre, then its solubility product is [CPMT 1984]
A)
\[4\times {{10}^{-6}}\] done
clear
B)
\[8\times {{10}^{-12}}\] done
clear
C)
\[6\times {{10}^{-9}}\] done
clear
D)
\[32\times {{10}^{-9}}\] done
clear
View Solution play_arrow
-
question_answer79)
The precipitate of \[Ca{{F}_{2}}\]\[({{K}_{sp}}=1.7\times {{10}^{-10}})\] is obtained when equal volumes of the following are mixed [IIT 1992; UPSEAT 2000]
A)
\[{{10}^{-4}}M\,C{{a}^{2+}}+{{10}^{-4}}M\,{{F}^{-}}\] done
clear
B)
\[{{10}^{-2}}M\,C{{a}^{2+}}+{{10}^{-3}}M\,{{F}^{-}}\] done
clear
C)
Both done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer80)
In the reaction: \[{{H}_{2}}S\] ⇄ \[2{{H}^{+}}+{{S}^{--}}\], when \[N{{H}_{4}}OH\] is added, then [KCET (Med.) 1999; AFMC 2000]
A)
\[{{S}^{--}}\] is precipitate done
clear
B)
No action takes places done
clear
C)
Concentration of \[{{S}^{--}}\] decreases done
clear
D)
Concentration of \[{{S}^{--}}\] increases done
clear
View Solution play_arrow
-
question_answer81)
What is the minimum concentration of \[SO_{4}^{2-}\] required to precipitate \[BaS{{O}_{4}}\] in a solution containing \[1.0\times {{10}^{-4}}mol\,\,\,B{{a}^{2+}}\]? (\[{{K}_{sp}}\]for \[BaS{{O}_{4}}\] is \[4\times {{10}^{-10}}\]) [MP PMT 2000]
A)
\[4\times {{10}^{-10}}M\] done
clear
B)
\[2\times {{10}^{-7}}M\] done
clear
C)
\[4\times {{10}^{-6}}M\] done
clear
D)
\[2\times {{10}^{-3}}M\] done
clear
View Solution play_arrow
-
question_answer82)
Solubility product for salt \[A{{B}_{2}}\] is \[4\times {{10}^{-12}}\]. Calculate solubility [RPET 2003]
A)
\[1\times {{10}^{-3}}gm\,\,mol\,/\,litre\] done
clear
B)
\[1\times {{10}^{-5}}gm\,\,mol\,/\,litre\] done
clear
C)
\[1\times {{10}^{-4}}gm\,\,mol\,/\,litre\] done
clear
D)
\[1\times {{10}^{-2}}gm\,\,mol\,/\,litre\] done
clear
View Solution play_arrow
-
question_answer83)
Solubility product of a salt AB is \[1\times {{10}^{-8}}\] in a solution in which concentration of A is \[{{10}^{-3}}M\]. The salt will precipitate when the concentration of B becomes more than [MP PET 1990; KCET 2003]
A)
\[{{10}^{-4}}M\] done
clear
B)
\[{{10}^{-7}}M\] done
clear
C)
\[{{10}^{-6}}M\] done
clear
D)
\[{{10}^{-5}}M\] done
clear
View Solution play_arrow
-
question_answer84)
At equilibrium, if to a saturated solution of \[NaCl,\,HCl\] is passed, \[NaCl\] gets precipitated because [RPMT 1999]
A)
\[HCl\] is a strong acid done
clear
B)
Solubility of \[NaCl\] decreases done
clear
C)
Ionic product of \[NaCl\] becomes greater than its \[{{K}_{sp}}\] done
clear
D)
\[HCl\] is a weak acid done
clear
View Solution play_arrow
-
question_answer85)
The solubility product of \[BaS{{O}_{4}}\] is \[1.3\times {{10}^{-9}}\]. The solubility of this salt in pure water will be [MP PET 2002]
A)
\[1.69\times {{10}^{-9}}mol\,litr{{e}^{-1}}\] done
clear
B)
\[1.69\times {{10}^{-18}}mol\,litr{{e}^{-1}}\] done
clear
C)
\[3.6\times {{10}^{-18}}mol\,litr{{e}^{-1}}\] done
clear
D)
\[3.6\times {{10}^{-5}}mol\,litr{{e}^{-1}}\] done
clear
View Solution play_arrow
-
question_answer86)
The solubility product of \[AgCl\] under standard conditions of temperature is given by [Kerala (Med.) 2003]
A)
\[1.6\times {{10}^{-5}}\] done
clear
B)
\[1.5\times {{10}^{-8}}\] done
clear
C)
\[3.2\times {{10}^{-10}}\] done
clear
D)
\[1.5\times {{10}^{-10}}\] done
clear
View Solution play_arrow
-
question_answer87)
An aqueous solution of \[C{{H}_{3}}COONa\] will be [MP PET 2001]
A)
Acidic done
clear
B)
Alkaline done
clear
C)
Neutral done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer88)
In which of the following salt hydrolysis takes place [CPMT 1974, 78]
A)
\[KCl\] done
clear
B)
\[NaN{{O}_{3}}\] done
clear
C)
\[C{{H}_{3}}COOK\] done
clear
D)
\[{{K}_{2}}S{{O}_{4}}\] done
clear
View Solution play_arrow
-
question_answer89)
At \[{{90}^{o}}C\] pure water has \[[{{H}_{3}}{{O}^{+}}]={{10}^{-6}}\,M,\] the value of \[{{K}_{w}}\] at this temperature will be [IIT 1981; MNR 1990; CBSE PMT 1993; UPSEAT 1999]
A)
\[{{10}^{-6}}\] done
clear
B)
\[{{10}^{-12}}\] done
clear
C)
\[{{10}^{-14}}\] done
clear
D)
\[{{10}^{-8}}\] done
clear
View Solution play_arrow
-
question_answer90)
Solubility of \[M{{X}_{2}}\] type electrolyte is \[0.5\times {{10}^{-4}}mole/litre\]. The value of \[{{K}_{sp}}\] of the electrolyte is [CBSE PMT 2002]
A)
\[5\times {{10}^{-13}}\] done
clear
B)
\[25\times {{10}^{-10}}\] done
clear
C)
\[1.25\times {{10}^{-13}}\] done
clear
D)
\[5\times {{10}^{12}}\] done
clear
View Solution play_arrow
-
question_answer91)
According to the reaction \[PbC{{l}_{2}}=P{{b}^{2}}+2C{{l}^{-}},\]the solubility coefficient of \[NaOH+HCl\]is [MP PET/PMT 1988]
A)
\[[P{{b}^{2+}}]\,{{[C{{l}^{-}}]}^{2}}\] done
clear
B)
\[[P{{b}^{2+}}]\,[C{{l}^{-}}]\] done
clear
C)
\[{{[P{{b}^{2+}}]}^{2}}\,[C{{l}^{-}}]\] done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer92)
\[{{K}_{sp}}\] value of \[Al\,{{(OH)}_{3}}\] and \[Zn\,{{(OH)}_{2}}\] are \[8.5\times {{10}^{-23}}\]and \[1.8\times {{10}^{-14}}\] respectively. If \[N{{H}_{4}}OH\] is added in a solution of \[A{{l}^{3+}}\]and \[Z{{n}^{2+}},\] which will precipitate earlier [MP PMT 1989; CPMT 1989]
A)
\[Al\,{{(OH)}_{3}}\] done
clear
B)
\[Zn\,{{(OH)}_{2}}\] done
clear
C)
Both together done
clear
D)
None done
clear
View Solution play_arrow
-
question_answer93)
Why pure \[NaCl\] is precipitated when \[HCl\] gas is passed in a saturated solution of \[NaCl\] [NCERT 1977; MP PMT 1987; CPMT 1974, 78, 81]
A)
Impurities dissolves in \[HCl\] done
clear
B)
The value of \[[N{{a}^{+}}]\]and \[[C{{l}^{-}}]\] becomes smaller than \[{{K}_{sp}}\] of \[NaCl\] done
clear
C)
The value of \[[N{{a}^{+}}]\]and \[[C{{l}^{-}}]\] becomes greater than \[{{K}_{sp}}\] of \[NaCl\] done
clear
D)
\[HCl\]dissolves in the water done
clear
View Solution play_arrow
-
question_answer94)
Pure \[NaCl\]is prepared by saturating a cold saturated solution of common salt in water with \[HCl\] gas. The principle used is [AFMC 1992]
A)
Le Chatelier principle done
clear
B)
Displacement law done
clear
C)
Common ion effect done
clear
D)
Fractional distillation done
clear
View Solution play_arrow
-
question_answer95)
What is the solubility of calcium fluoride in a saturated solution, if its solubility product is \[3.2\times {{10}^{-11}}\] [CPMT 1997]
A)
\[2.0\times {{10}^{-4}}\,mole/litre\] done
clear
B)
\[12.0\times {{10}^{-3}}\,mole/litre\] done
clear
C)
\[0.2\times {{10}^{-4}}\,mole/litre\] done
clear
D)
\[2\times {{10}^{-3}}\,mole/litre\] done
clear
View Solution play_arrow
-
question_answer96)
The following equilibrium exists in an aqueous solution of hydrogen sulphide : \[{{H}_{2}}S\] ⇄ \[{{H}^{+}}+H{{S}^{-}}\] If dilute \[HCl\] is added to an aqueous solution of \[{{H}_{2}}S\] without any change in temperature [NCERT 1989]
A)
The equilibrium constant will change done
clear
B)
The concentration of \[H{{S}^{-}}\]will increase done
clear
C)
The concentration of undissociated \[{{H}_{2}}S\] will decrease done
clear
D)
The concentration of \[H{{S}^{-}}\]will decrease done
clear
View Solution play_arrow
-
question_answer97)
Solubility of a salt \[{{M}_{2}}{{X}_{3}}\] is \[y\,\,mol\,d{{m}^{-3}}.\] The solubility product of the salt will be [IIT 1990, 97; AFMC 1991; RPMT 1999; MP PET 2001; MP PMT 2003; Orissa JEE 2005]
A)
\[6{{y}^{4}}\] done
clear
B)
\[64{{y}^{4}}\] done
clear
C)
\[36{{y}^{5}}\] done
clear
D)
\[108{{y}^{5}}\] done
clear
View Solution play_arrow
-
question_answer98)
Which one of the following is most soluble [CBSE PMT 1994; RPMT 2000]
A)
\[CuS\,({{K}_{sp}}=8\times {{10}^{-37}})\] done
clear
B)
\[MnS\,({{K}_{sp}}=7\times {{10}^{-16}})\] done
clear
C)
\[B{{i}_{2}}{{S}_{3}}\,({{K}_{sp}}=1\times {{10}^{-70}})\] done
clear
D)
\[A{{g}_{2}}S\,({{K}_{sp}}=6\times {{10}^{-51}})\] done
clear
View Solution play_arrow
-
question_answer99)
The solubility product of \[PbC{{l}_{2}}\] at \[{{20}^{o}}C\] is \[1.5\times {{10}^{-4}}.\] Calculate the solubility [Bihar CEE 1995; BHU 2002]
A)
\[3.75\times {{10}^{-4}}\] done
clear
B)
\[3.34\times {{10}^{-2}}\] done
clear
C)
\[3.34\times {{10}^{2}}\] done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer100)
Which one of the following compounds is a Lewis acid [EAMCET 1997]
A)
\[PC{{l}_{3}}\] done
clear
B)
\[BC{{l}_{3}}\] done
clear
C)
\[NC{{l}_{3}}\] done
clear
D)
\[CHC{{l}_{3}}\] done
clear
View Solution play_arrow
-
question_answer101)
Which one of the following salt is most acidic in water [IIT 1995]
A)
\[NiC{{l}_{2}}\] done
clear
B)
\[BeC{{l}_{2}}\] done
clear
C)
\[FeC{{l}_{3}}\] done
clear
D)
\[AlC{{l}_{3}}\] done
clear
View Solution play_arrow
-
question_answer102)
Which of the following aqueous solution will have a \[pH\] less than 7.0 [MP PMT 1991, 92]
A)
\[KN{{O}_{3}}\] done
clear
B)
\[NaOH\] done
clear
C)
\[FeC{{l}_{3}}\] done
clear
D)
\[1\times {{10}^{-15}}\] done
clear
View Solution play_arrow
-
question_answer103)
Hydrolysis constant for a salt of weak acid and weak base would be [RPMT 1999]
A)
\[{{K}_{h}}=\frac{{{K}_{w}}}{{{K}_{a}}}\] done
clear
B)
\[{{K}_{h}}=\frac{{{K}_{w}}}{{{K}_{b}}}\] done
clear
C)
\[{{K}_{h}}=\frac{{{K}_{w}}}{{{K}_{a}}{{K}_{b}}}\] done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer104)
Which salt will give basic solution on hydrolysis [RPMT 1997]
A)
\[KCN\] done
clear
B)
\[KCl\] done
clear
C)
\[N{{H}_{4}}Cl\] done
clear
D)
\[C{{H}_{3}}COON{{H}_{4}}\] done
clear
View Solution play_arrow
-
question_answer105)
Which of the following sulphides has the lowest solubility product [KCET 1996]
A)
\[FeS\] done
clear
B)
\[MnS\] done
clear
C)
\[PbS\] done
clear
D)
\[ZnS\] done
clear
View Solution play_arrow
-
question_answer106)
The concentration of which ion is to be decreased, when \[N{{H}_{3}}\] solution is added [RPMT 1997]
A)
\[O{{H}^{-}}\] done
clear
B)
\[NH_{4}^{+}\] done
clear
C)
\[{{H}_{3}}{{O}^{+}}\] done
clear
D)
\[O_{2}^{-}\] done
clear
View Solution play_arrow
-
question_answer107)
The compound insoluble in acetic acid is [IIT 1986]
A)
Calcium oxide done
clear
B)
Calcium carbonate done
clear
C)
Calcium oxalate done
clear
D)
Calcium hydroxide done
clear
View Solution play_arrow
-
question_answer108)
A saturated solution of \[A{{g}_{2}}S{{O}_{4}}\]is \[2.5\times {{10}^{-2}}\]M; The value of its solubility product is [Pb.CET 2004]
A)
\[62.5\times {{10}^{-6}}\] done
clear
B)
\[6.25\times {{10}^{-4}}\] done
clear
C)
\[15.625\times {{10}^{-6}}\] done
clear
D)
\[3.125\times {{10}^{-6}}\] done
clear
View Solution play_arrow
-
question_answer109)
Solubility product of \[AgCl\] is \[1\times {{10}^{-6}}\] at 298 K. Its solubility in mole \[litr{{e}^{-1}}\] would be [Pb.CET 2001]
A)
\[1\times {{10}^{-6}}mol/litre\] done
clear
B)
\[1\times {{10}^{-3}}mol/litre\] done
clear
C)
\[1\times {{10}^{-12}}mol/litre\] done
clear
D)
None of these done
clear
View Solution play_arrow
-
question_answer110)
A litre of solution is saturated with AgCl. To this solution if \[1.0\times {{10}^{-4}}\]mole of solid NaCl is added, what will be the \[[A{{g}^{+}}]\], assuming no volume change [UPSEAT 2004]
A)
More done
clear
B)
Less done
clear
C)
Equal done
clear
D)
Zero done
clear
View Solution play_arrow
-
question_answer111)
The concentration of KI and KCl in certain solution containing both is 0.001M each. If 20 ml of this solution is added to 20 ml of a saturated solution of AgI in water? What will happen [MP PMT 2004]
A)
AgCl will be precipitated done
clear
B)
AgI will be precipitated done
clear
C)
Both AgCl and AgI will be precipitated done
clear
D)
There will be no precipitated done
clear
View Solution play_arrow
-
question_answer112)
The solubility product of a sparingly soluble salt \[A{{X}_{2}}\]is \[3.2\times {{10}^{-11}}\]. Its solubility (in moles / litres) is [CBSE PMT 2004]
A)
\[2\times {{10}^{-4}}\] done
clear
B)
\[4\times {{10}^{-4}}\] done
clear
C)
\[5.6\times {{10}^{-6}}\] done
clear
D)
\[3.1\times {{10}^{-4}}\] done
clear
View Solution play_arrow
-
question_answer113)
0.5 M ammonium benzoate is hydrolysed to 0.25 percent, hence its hydrolysis constant is [MH CET 2004]
A)
\[2.5\times {{10}^{-5}}\] done
clear
B)
\[1.5\times {{10}^{-4}}\] done
clear
C)
\[3.125\times {{10}^{-6}}\] done
clear
D)
\[6.25\times {{10}^{-4}}\] done
clear
View Solution play_arrow
-
question_answer114)
The solubility of \[S{{b}_{2}}{{S}_{3}}\]in water is \[1.0\times {{10}^{-5}}\]mol / litre at 298 K. What will be its solubility product [CPMT 2004]
A)
\[108\times {{10}^{-25}}\] done
clear
B)
\[1.0\times {{10}^{-25}}\] done
clear
C)
\[144\times {{10}^{-25}}\] done
clear
D)
\[126\times {{10}^{-24}}\] done
clear
View Solution play_arrow
-
question_answer115)
The ionic product of water at \[{{25}^{o}}C\] is \[{{10}^{-14}}.\] The ionic product at \[{{90}^{o}}C\] will be [CBSE PMT 1996]
A)
\[1\times {{10}^{-20}}\] done
clear
B)
\[1\times {{10}^{-12}}\] done
clear
C)
\[1\times {{10}^{-14}}\] done
clear
D)
\[1\times {{10}^{-16}}\] done
clear
View Solution play_arrow
-
question_answer116)
In hydrolysis of a salt of weak acid and strong base, \[{{A}^{-}}+{{H}_{2}}O\] ⇄ \[HA+O{{H}^{-}},\] the hydrolysis constant \[({{K}_{h}})\] is equal to.? [Orissa JEE 2002]
A)
\[\frac{{{K}_{w}}}{{{K}_{a}}}\] done
clear
B)
\[\frac{{{K}_{w}}}{{{K}_{b}}}\] done
clear
C)
\[\sqrt{\frac{{{K}_{a}}}{C}}\] done
clear
D)
\[\frac{{{K}_{w}}}{{{K}_{a}}\times {{K}_{b}}}\] done
clear
View Solution play_arrow