-
question_answer1)
Which forms a crystal of \[NaCl\] [CPMT 1972; NCERT 1976; DPMT 1996]
A)
\[NaCl\]molecules done
clear
B)
\[N{{a}^{+}}\] and \[C{{l}^{-}}\]ions done
clear
C)
\[Na\] and \[Cl\] atoms done
clear
D)
None of the above done
clear
View Solution play_arrow
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question_answer2)
When sodium and chlorine reacts then [NCERT 1973]
A)
Energy is released and ionic bond is formed done
clear
B)
Energy is released and a covalent bond is formed done
clear
C)
Energy is absorbed and ionic bond is formed done
clear
D)
Energy is absorbed and covalent bond is formed done
clear
View Solution play_arrow
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question_answer3)
Which one is least ionic in the following compounds [CPMT 1976; BHU 1998]
A)
\[AgCl\] done
clear
B)
\[KCl\] done
clear
C)
\[BaC{{l}_{2}}\] done
clear
D)
\[CaC{{l}_{2}}\] done
clear
View Solution play_arrow
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question_answer4)
The electronic configuration of four elements L, P, Q and R are given in brackets \[L\,\left( 1{{s}^{2}},\,\,2{{s}^{2}}\,2{{p}^{4}} \right);\,\,Q\,\left( 1{{s}^{2}},\,\,2{{s}^{2}}\,2{{p}^{6}},\,\,3{{s}^{2}}\,\,3{{p}^{5}} \right)\] \[P\,\left( 1{{s}^{2}},\,\,2{{s}^{2}}\,2{{p}^{6}},\,\,3{{s}^{1}} \right);\,\,R\,\left( 1{{s}^{2}},\,\,2{{s}^{2}}\,2{{p}^{6}},\,\,3{{s}^{2}} \right)\] The formulae of ionic compounds that can be formed between these elements are [NCERT 1983]
A)
\[{{L}_{2}}P,\,\,RL,\,\,PQ\] and \[{{R}_{2}}Q\] done
clear
B)
\[LP,\,\,RL,\,\,PQ\] and \[RQ\] done
clear
C)
\[{{P}_{2}}L,\,\,RL,\,\,PQ\] and \[R{{Q}_{2}}\] done
clear
D)
\[LP,\,\,{{R}_{2}}L,\,\,{{P}_{2}}Q\] and \[RQ\] done
clear
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question_answer5)
Electrovalent compound's [MP PMT 1984]
A)
Melting points are low done
clear
B)
Boiling points are low done
clear
C)
Conduct current in fused state done
clear
D)
Insoluble in polar solvent done
clear
View Solution play_arrow
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question_answer6)
A electrovalent compound is made up of [CPMT 1978, 81; MNR 1979]
A)
Electrically charged molecules done
clear
B)
Neutral molecules done
clear
C)
Neutral atoms done
clear
D)
Electrically charged atoms or group of atoms done
clear
View Solution play_arrow
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question_answer7)
Electrovalent bond formation depends on
A)
Ionization energy done
clear
B)
Electron affinity done
clear
C)
Lattice energy done
clear
D)
All the three above done
clear
View Solution play_arrow
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question_answer8)
In the following which substance will have highest boiling point [NCERT 1973; MP PMT 1990]
A)
\[He\] done
clear
B)
\[CsF\] done
clear
C)
\[N{{H}_{3}}\] done
clear
D)
\[CHC{{l}_{3}}\] done
clear
View Solution play_arrow
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question_answer9)
An atom of sodium loses one electron and chlorine atom accepts one electron. This result the formation of sodium chloride molecule. This type of molecule will be [MP PMT 1987]
A)
Coordinate done
clear
B)
Covalent done
clear
C)
Electrovalent done
clear
D)
Matallic bond done
clear
View Solution play_arrow
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question_answer10)
Formula of a metallic oxide is \[MO.\] The formula of its phosphate will be [CPMT 1986, 93]
A)
\[{{M}_{2}}{{\left( P{{O}_{4}} \right)}_{2}}\] done
clear
B)
\[M\left( P{{O}_{4}} \right)\] done
clear
C)
\[{{M}_{2}}P{{O}_{4}}\] done
clear
D)
\[{{M}_{3}}{{\left( P{{O}_{4}} \right)}_{2}}\] done
clear
View Solution play_arrow
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question_answer11)
From the following which group of elements easily forms cation
A)
\[F,\,\,Cl,\,\,Br\] done
clear
B)
\[Li,\,\,Na,\,\,K\] done
clear
C)
\[O,\,\,S,\,\,Se\] done
clear
D)
\[N,\,\,P,\,\,As\] done
clear
View Solution play_arrow
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question_answer12)
Which type of compounds show high melting and boiling points [CPMT 1996]
A)
Electrovalent compounds done
clear
B)
Covalent compounds done
clear
C)
Coordinate compounds done
clear
D)
All the three types of compounds have equal melting and boiling points done
clear
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question_answer13)
Lattice energy of an ionic compound depends upon [AIEEE 2005]
A)
Charge on the ion only done
clear
B)
Size of the ion only done
clear
C)
Packing of ions only done
clear
D)
Charge on the ion and size of the ion done
clear
View Solution play_arrow
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question_answer14)
In the given bonds which one is most ionic [EAMCET 1980]
A)
\[Cs-Cl\] done
clear
B)
\[Al-Cl\] done
clear
C)
\[C-Cl\] done
clear
D)
\[H-Cl\] done
clear
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question_answer15)
Element \[x\]is strongly electropositive and \[y\] is strongly electronegative. Both element are univalent, the compounds formed from their combination will be [IIT 1980]
A)
\[{{x}^{+}}{{y}^{-}}\] done
clear
B)
\[{{x}^{-}}\,{{y}^{+}}\] done
clear
C)
\[x-y\] done
clear
D)
\[x\to y\] done
clear
View Solution play_arrow
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question_answer16)
In the formation of \[NaCl\] from \[Na\] and \[\gamma -\] [CPMT 1985]
A)
Sodium and chlorine both give electrons done
clear
B)
Sodium and chlorine both accept electrons done
clear
C)
Sodium loses electron and chlorine accepts electron done
clear
D)
Sodium accepts electron and chlorine loses electron done
clear
View Solution play_arrow
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question_answer17)
Which of the following is an electrovalent linkage [CPMT 1974; DPMT 1984, 91; AFMC 1988]
A)
\[C{{H}_{4}}\] done
clear
B)
\[NC{{l}_{5}}\] done
clear
C)
\[SiC{{l}_{4}}\] done
clear
D)
\[B{{F}_{3}}\] done
clear
View Solution play_arrow
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question_answer18)
Electrovalent compounds do not have [CPMT 1991]
A)
High M.P. and Low B.P. done
clear
B)
High dielectric constant done
clear
C)
High M.P. and High B.P. done
clear
D)
High polarity done
clear
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question_answer19)
Many ionic crystals dissolve in water because [NCERT 1982]
A)
Water is an amphiprotic solvent done
clear
B)
Water is a high boiling liquid done
clear
C)
The process is accompanied by a positive heat of solution done
clear
D)
Water decreases the interionic attraction in the crystal lattice due to solvation done
clear
View Solution play_arrow
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question_answer20)
The electronic structure of four elements A, B, C, D are (i) \[1{{s}^{2}}\] (ii) \[1{{s}^{2}},\,\,2{{s}^{2}}\,2{{p}^{2}}\] (iii) \[1{{s}^{2}},\,\,2{{s}^{2}}\,2{{p}^{5}}\] (iv) \[1{{s}^{2}},\,\,2{{s}^{2}}\,2{{p}^{6}}\] The tendency to form electrovalent bond is largest in [MNR 1987, 95]
A)
A done
clear
B)
B done
clear
C)
C done
clear
D)
D done
clear
View Solution play_arrow
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question_answer21)
Chloride of metal is \[MC{{l}_{2}}\]. The formula of its phosphate will be [CPMT 1979]
A)
\[{{M}_{2}}P{{O}_{4}}\] done
clear
B)
\[{{M}_{3}}{{\left( P{{O}_{4}} \right)}_{2}}\] done
clear
C)
\[{{M}_{2}}{{\left( P{{O}_{4}} \right)}_{3}}\] done
clear
D)
\[MP{{O}_{4}}\] done
clear
View Solution play_arrow
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question_answer22)
The phosphate of a metal has the formula\[MP{{O}_{4}}\]. The formula of its nitrate will be [CPMT 1971; MP PMT 1996]
A)
\[MN{{O}_{3}}\] done
clear
B)
\[{{M}_{2}}{{\left( N{{O}_{3}} \right)}_{2}}\] done
clear
C)
\[M{{\left( N{{O}_{3}} \right)}_{2}}\] done
clear
D)
\[M{{\left( N{{O}_{3}} \right)}_{3}}\] done
clear
View Solution play_arrow
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question_answer23)
In the transition of \[Zn\] atoms to \[Z{{n}^{++}}\]ions there is a decrease in the [CPMT 1972]
A)
Number of valency electrons done
clear
B)
Atomic weight done
clear
C)
Atomic number done
clear
D)
Equivalent weight done
clear
View Solution play_arrow
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question_answer24)
Phosphate of a metal M has the formula \[{{M}_{3}}{{\left( P{{O}_{4}} \right)}_{2}}.\] The formula for its sulphate would be [CPMT 1973; MP PMT 1996]
A)
\[MS{{O}_{4}}\] done
clear
B)
\[M{{\left( S{{O}_{4}} \right)}_{2}}\] done
clear
C)
\[{{M}_{2}}{{\left( S{{O}_{4}} \right)}_{3}}\] done
clear
D)
\[{{M}_{3}}{{\left( S{{O}_{4}} \right)}_{2}}\] done
clear
View Solution play_arrow
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question_answer25)
The molecular formula of chloride of a metal M is \[MC{{l}_{3}}.\] The formula of its carbonate would be [CPMT 1987]
A)
\[MC{{O}_{3}}\] done
clear
B)
\[{{M}_{2}}{{\left( C{{O}_{3}} \right)}_{3}}\] done
clear
C)
\[{{M}_{2}}C{{O}_{3}}\] done
clear
D)
\[M{{\left( C{{O}_{3}} \right)}_{2}}\] done
clear
View Solution play_arrow
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question_answer26)
Sodium chloride easily dissolves in water. This is because [NCERT 1972; BHU 1973]
A)
It is a covalent compound done
clear
B)
Salt reacts with water done
clear
C)
It is a white substance done
clear
D)
Its ions are easily solvated done
clear
View Solution play_arrow
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question_answer27)
When \[NaCl\] is dissolved in water the sodium ion becomes [NCERT 1974; CPMT 1989; MP PMT 1999]
A)
Oxidized done
clear
B)
Reduced done
clear
C)
Hydrolysed done
clear
D)
Hydrated done
clear
View Solution play_arrow
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question_answer28)
Solid \[NaCl\]is a bad conductor of electricity since [AFMC 1980]
A)
In solid \[NaCl\] there are no ions done
clear
B)
Solid \[NaCl\] is covalent done
clear
C)
In solid \[NaCl\] there is no motion of ions done
clear
D)
In solid \[NaCl\] there are no electrons done
clear
View Solution play_arrow
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question_answer29)
Favourable conditions for electrovalency are
A)
Low charge on ions, large cation, small anion done
clear
B)
High charge on ions, small cation, large anion done
clear
C)
High charge on ions, large cation, small anion done
clear
D)
Low charge on ions, small cation, large anion done
clear
View Solution play_arrow
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question_answer30)
The sulphate of a metal has the formula \[{{M}_{2}}{{\left( S{{O}_{4}} \right)}_{3}}.\] The formula for its phosphate will be [DPMT 1982; CPMT 1972; MP PMT 1995]
A)
\[M{{\left( HP{{O}_{4}} \right)}_{2}}\] done
clear
B)
\[{{M}_{3}}{{\left( P{{O}_{4}} \right)}_{2}}\] done
clear
C)
\[{{M}_{2}}{{\left( P{{O}_{4}} \right)}_{3}}\] done
clear
D)
\[MP{{O}_{4}}\] done
clear
View Solution play_arrow
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question_answer31)
Ionic bonds are usually formed by combination of elements with [CBSE PMT 1993; MP PMT 1994]
A)
High ionisation potential and low electron affinity done
clear
B)
Low ionisation potential and high electron affinity done
clear
C)
High ionisation potential and high electron affinity done
clear
D)
Low ionisation potential and low electron affinity done
clear
View Solution play_arrow
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question_answer32)
Molten sodium chloride conducts electricity due to the presence of [IIT 1981]
A)
Free electrons done
clear
B)
Free ions done
clear
C)
Free molecules done
clear
D)
Atoms of sodium and chlorine done
clear
View Solution play_arrow
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question_answer33)
The phosphate of a metal has the formula \[MHP{{O}_{4}}.\] The formula of its chloride would be [NCERT 1974; CPMT 1977]
A)
\[MCl\] done
clear
B)
\[MC{{l}_{2}}\] done
clear
C)
\[MC{{l}_{3}}\] done
clear
D)
\[{{M}_{2}}C{{l}_{3}}\] done
clear
View Solution play_arrow
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question_answer34)
A number of ionic compounds e.g. \[AgCl,\,\,Ca{{F}_{2}},\]\[BaS{{O}_{4}}\] are insoluble in water. This is because [NCERT 1984]
A)
Ionic compounds do not dissolve in water done
clear
B)
Water has a high dielectric constant done
clear
C)
Water is not a good ionizing solvent done
clear
D)
These molecules have exceptionally high alternative forces in the lattice done
clear
View Solution play_arrow
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question_answer35)
What is the nature of chemical bonding between \[Cs\] and \[F\] [MP PMT 1987; CPMT 1976]
A)
Covalent done
clear
B)
Ionic done
clear
C)
Coordinate done
clear
D)
Metallic done
clear
View Solution play_arrow
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question_answer36)
Which one of the following compound is ionic [MNR 1985]
A)
\[KCl\] done
clear
B)
\[C{{H}_{4}}\] done
clear
C)
Diamond done
clear
D)
\[{{H}_{2}}\] done
clear
View Solution play_arrow
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question_answer37)
Which of the following compound has electrovalent linkage [CPMT 1983, 84, 93]
A)
\[C{{H}_{3}}Cl\] done
clear
B)
\[NaCl\] done
clear
C)
\[C{{H}_{4}}\] done
clear
D)
\[C{{l}_{2}}\] done
clear
View Solution play_arrow
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question_answer38)
An ionic compound is generally a [MADT Bihar 1981]
A)
Good electrolyte done
clear
B)
Weak electrolyte done
clear
C)
Non-electrolyte done
clear
D)
Neutral done
clear
View Solution play_arrow
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question_answer39)
What metals combine with non-metals, the metal atom tends to [AMU 1982]
A)
Lose electrons done
clear
B)
Gain electrons done
clear
C)
Remain electrically neutral done
clear
D)
None of these done
clear
View Solution play_arrow
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question_answer40)
Chemical formula for calcium pyrophosphate is \[{{120}^{o}}\] The formula for ferric pyrophosphate will be [NCERT 1977]
A)
\[F{{e}_{3}}{{({{P}_{2}}{{O}_{7}})}_{3}}\] done
clear
B)
\[F{{e}_{4}}{{P}_{4}}{{O}_{14}}\] done
clear
C)
\[F{{e}_{4}}{{({{P}_{2}}{{O}_{7}})}_{3}}\] done
clear
D)
\[F{{e}_{3}}P{{O}_{4}}\] done
clear
View Solution play_arrow
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question_answer41)
Among the bonds formed by a chlorine atom with atoms of hydrogen, chlorine, sodium and carbon, the strongest bond is formed between [EAMCET 1988; MP PMT 1993]
A)
\[H-Cl\] done
clear
B)
\[Cl-Cl\] done
clear
C)
\[Na-Cl\] done
clear
D)
\[C-Cl\] done
clear
View Solution play_arrow
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question_answer42)
Which of the following is least soluble [CPMT 1989]
A)
\[Be{{F}_{2}}\] done
clear
B)
\[Sr{{F}_{2}}\] done
clear
C)
\[Ca{{F}_{2}}\] done
clear
D)
\[Mg{{F}_{2}}\] done
clear
View Solution play_arrow
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question_answer43)
Which of the following halides has maximum melting point
A)
\[NaCl\] done
clear
B)
\[NaBr\] done
clear
C)
\[NaI\] done
clear
D)
\[NaF\] done
clear
View Solution play_arrow
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question_answer44)
The high melting point and insolubility in organic solvents of sulphanilic acid are due to its ...... structure. [IIT 1994]
A)
Simple ionic done
clear
B)
Bipolar ionic done
clear
C)
Cubic done
clear
D)
Hexagonal done
clear
View Solution play_arrow
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question_answer45)
Out of the following, which compound will have electrovalent bonding
A)
Ammonia done
clear
B)
Water done
clear
C)
Calcium chloride done
clear
D)
Chloromethane done
clear
View Solution play_arrow
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question_answer46)
The force which holds atoms together in an electrovalent bond is
A)
Vander Waal's force done
clear
B)
Dipole attraction force done
clear
C)
Electrostatic force of attraction done
clear
D)
All the above done
clear
View Solution play_arrow
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question_answer47)
The main reaction during electrovalent bond formation is
A)
Redox reaction done
clear
B)
Substitution reaction done
clear
C)
Addition reaction done
clear
D)
Elimination reaction done
clear
View Solution play_arrow
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question_answer48)
Electrovalent compounds are [CPMT 1996]
A)
Good conductor of electricity done
clear
B)
Polar in nature done
clear
C)
Low M.P. and low B.P. done
clear
D)
Easily available done
clear
View Solution play_arrow
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question_answer49)
Ionic compounds do not have [RPMT 1997]
A)
Hard and brittle nature done
clear
B)
High melting and boiling point done
clear
C)
Directional properties done
clear
D)
Soluble in polar solvents done
clear
View Solution play_arrow
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question_answer50)
Highest melting point would be of [RPMT 1999]
A)
\[He\] done
clear
B)
\[CsCl\] done
clear
C)
\[N{{H}_{3}}\] done
clear
D)
\[CHC{{l}_{3}}\] done
clear
View Solution play_arrow
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question_answer51)
What is the effect of more electronegative atom on the strength of ionic bond [AMU 1999]
A)
Decreases done
clear
B)
Increases done
clear
C)
Decreases slowly done
clear
D)
Remains the same done
clear
View Solution play_arrow
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question_answer52)
An element X with the electronic configuration \[1{{s}^{2}},\,2{{s}^{2}}2{{p}^{6}},\,3{{s}^{2}}\] would be expected to form the chloride with the formula [JIPMER 2000]
A)
\[XC{{l}_{3}}\] done
clear
B)
\[XC{{l}_{2}}\] done
clear
C)
\[XCl\] done
clear
D)
\[{{X}_{2}}Cl\] done
clear
View Solution play_arrow
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question_answer53)
Two element have electronegativity of 1.2 and 3.0. Bond formed between them would be [CPMT 1982; DCE 2000]
A)
Ionic done
clear
B)
Polar covalent done
clear
C)
Co-ordinate done
clear
D)
Metallic done
clear
View Solution play_arrow
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question_answer54)
Which of the following is least ionic [MP PET 2002]
A)
\[{{C}_{2}}{{H}_{5}}Cl\] done
clear
B)
\[KCl\] done
clear
C)
\[BaC{{l}_{2}}\] done
clear
D)
\[{{C}_{6}}{{H}_{5}}{{N}^{+}}{{H}_{3}}C{{l}^{-}}\] done
clear
View Solution play_arrow
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question_answer55)
Which type of bonding exists in \[L{{i}_{2}}O\] and \[Ca{{F}_{2}}\] respectively [RPET 2000]
A)
Ionic, ionic done
clear
B)
Ionic, covalent done
clear
C)
Covalent, ionic done
clear
D)
Coordinate, ionic done
clear
View Solution play_arrow
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question_answer56)
An atom with atomic number 20 is most likely to combine chemically with the atom whose atomic number is [BHU 2000]
A)
11 done
clear
B)
14 done
clear
C)
16 done
clear
D)
10 done
clear
View Solution play_arrow
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question_answer57)
Bond formed in crystal by anion and cation is [CBSE PMT 2000]
A)
Ionic done
clear
B)
Metallic done
clear
C)
Covalent done
clear
D)
Dipole done
clear
View Solution play_arrow
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question_answer58)
Atoms or group of atoms which are electrically charged are known [UPSEAT 2001]
A)
Anions done
clear
B)
Cations done
clear
C)
Ions done
clear
D)
Atoms done
clear
View Solution play_arrow
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question_answer59)
Which one is the strongest bond [Pb. PMT 2001]
A)
\[BrF\] done
clear
B)
\[FF\] done
clear
C)
\[ClF\] done
clear
D)
\[BrCl\] done
clear
View Solution play_arrow
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question_answer60)
The interionic attraction depends on interaction of [Kerala CET (Med.) 2002]
A)
Solute-Solute done
clear
B)
Solvent-Solvent done
clear
C)
The charges done
clear
D)
Molecular properties done
clear
View Solution play_arrow
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question_answer61)
Which of the following compounds is ionic [UPSEAT 2002]
A)
\[KI\] done
clear
B)
\[C{{H}_{4}}\] done
clear
C)
Diamond done
clear
D)
\[{{H}_{2}}\] done
clear
View Solution play_arrow
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question_answer62)
Which of the following pairs of species has same electronic configuration [UPSEAT 2002]
A)
\[Z{{n}^{2+}}\] and \[N{{i}^{2+}}\] done
clear
B)
\[C{{o}^{+3}}\] and \[N{{i}^{4+}}\] done
clear
C)
\[C{{o}^{2+}}\] and \[N{{i}^{2+}}\] done
clear
D)
\[T{{i}^{4+}}\] and \[{{V}^{3+}}\] done
clear
View Solution play_arrow
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question_answer63)
The energy that opposes dissolution of a solvent is [CPMT 2002]
A)
Hydration energy done
clear
B)
Lattice energy done
clear
C)
Internal energy done
clear
D)
Bond energy done
clear
View Solution play_arrow
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question_answer64)
Which of the following has highest melting point [RPET 2003]
A)
\[BeC{{l}_{2}}\] done
clear
B)
\[MgC{{l}_{2}}\] done
clear
C)
\[CaC{{l}_{2}}\] done
clear
D)
\[BaC{{l}_{2}}\] done
clear
View Solution play_arrow
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question_answer65)
Which of the following statements is not true for ionic compounds [RPET 2003]
A)
High melting point done
clear
B)
Least lattice energy done
clear
C)
Least solubility in organic compounds done
clear
D)
Soluble in water done
clear
View Solution play_arrow
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question_answer66)
Electrolytes are compound containing [MADT Bihar 1981]
A)
Electrovalent bond done
clear
B)
Covalent bond done
clear
C)
Coordinate bond done
clear
D)
Hydrogen bond done
clear
View Solution play_arrow
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question_answer67)
Which of the following hydrides are ionic [Roorkee 1999]
A)
\[Ca{{H}_{2}}\] done
clear
B)
\[Ba{{H}_{2}}\] done
clear
C)
\[Sr{{H}_{2}}\] done
clear
D)
\[Be{{H}_{2}}\] done
clear
View Solution play_arrow
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question_answer68)
Which of the following conduct electricity in the fused state [Roorkee 2000]
A)
\[BeC{{l}_{2}}\] done
clear
B)
\[MgC{{l}_{2}}\] done
clear
C)
\[SrC{{l}_{2}}\] done
clear
D)
\[BaC{{l}_{2}}\] done
clear
View Solution play_arrow