JEE Main & Advanced Chemistry The s-Block Elements / s-ब्लॉक के तत्व Question Bank

done Alkaline Earth Metals Total Questions - 111

• question_answer1)
  To remove last traces of water from alcohol, the metal used is
  A)
  Sodium done clear
  B)
  Potassium done clear
  C)
  Calcium done clear
  D)
  Aluminium done clear
  View Solution play_arrow

• question_answer2)
  Plaster of Paris is [CPMT 1972, 76, 78, 83, 87, 88, 90, 91, 93, 94; JIPMER 2002; MP PET 1986, 2001; BHU 1992, 95, 2000; MNR 1982; DCE 2000; Manipal MEE 1995; NCERT 1976; Bihar MEE 1997; EAMCET 1978; AMU 1982, 84; DPMT 1982, 83]
  A)
  \[CaS{{O}_{4}}.2{{H}_{2}}O\] done clear
  B)
  \[CaS{{O}_{4}}.3{{H}_{2}}O\] done clear
  C)
  \[CaS{{O}_{4}}.{{H}_{2}}O\] done clear
  D)
  \[CaS{{O}_{4}}.\frac{1}{2}{{H}_{2}}O\] done clear
  View Solution play_arrow

• question_answer3)
  Which of the following substance is used as dehydrating agent in laboratory [MP PMT 1987]
  A)
  Calcium chloride done clear
  B)
  Sodium chloride done clear
  C)
  Sodium carbonate done clear
  D)
  Potassium nitrate done clear
  View Solution play_arrow

• question_answer4)
  The metal that is extracted from sea water is [EAMCET 1978; CPMT 1988; CET Pune 1998; MP PET 2000]
  A)
  \[Ba\] done clear
  B)
  \[Mg\] done clear
  C)
  \[Ca\] done clear
  D)
  \[Sr\] done clear
  View Solution play_arrow

• question_answer5)
  Which of the following ore contains both magnesium and calcium [MDAT Bihar 1984; MP PET 2003]
  A)
  Magnesite done clear
  B)
  Dolomite done clear
  C)
  Carnellite done clear
  D)
  Phosphorite done clear
  View Solution play_arrow

• question_answer6)
  Epsom salt is [EAMCET 1978, 80; BHU 1979; MP PET 1999; CPMT 1988, 89, 90; Bihar MEE 1996]
  A)
  \[CaS{{O}_{4}}.2{{H}_{2}}O\] done clear
  B)
  \[BaS{{O}_{4}}.2{{H}_{2}}O\] done clear
  C)
  \[MgS{{O}_{4}}.2{{H}_{2}}O\] done clear
  D)
  \[MgS{{O}_{4}}.7{{H}_{2}}O\] done clear
  View Solution play_arrow

• question_answer7)
  Setting of plaster of paris is [MP PMT 1985; CPMT 1989]
  A)
  Oxidation with atmospheric oxygen done clear
  B)
  Combination with atmospheric \[C{{O}_{2}}\] done clear
  C)
  Dehydration done clear
  D)
  Hydration to yield another hydrate done clear
  View Solution play_arrow

• question_answer8)
  To prevent magnesium from oxidation in electrolytic extraction process
  A)
  Some calcium fluoride is added done clear
  B)
  Some chlorides are added done clear
  C)
  Metal is taken out by spoons done clear
  D)
  The whole process is done in an atmosphere of coal gas done clear
  View Solution play_arrow

• question_answer9)
  Which of the following metal is found in green colouring pigment chlorophyll of plants [KCET 1993; RPMT 1999; MP PET 2002]
  A)
  \[Fe\] done clear
  B)
  \[Mg\] done clear
  C)
  \[Na\] done clear
  D)
  \[Al\] done clear
  View Solution play_arrow

• question_answer10)
  Which of the following metal carbonate is decomposed on heating [MNR 1985; MP PET 1994; Pb. CET 2004]
  A)
  \[MgC{{O}_{3}}\] done clear
  B)
  \[N{{a}_{2}}C{{O}_{3}}\] done clear
  C)
  \[{{K}_{2}}C{{O}_{3}}\] done clear
  D)
  \[R{{b}_{2}}C{{O}_{3}}\] done clear
  View Solution play_arrow

• question_answer11)
  The outer electronic configuration of alkaline earth metal is [BHU 1980; CPMT 1985, 93; MP PAT 1993]
  A)
  \[n{{s}^{2}}\] done clear
  B)
  \[n{{s}^{1}}\] done clear
  C)
  \[n{{p}^{6}}\] done clear
  D)
  \[n{{d}^{10}}\] done clear
  View Solution play_arrow

• question_answer12)
  Metallic magnesium is prepared by [BHU 1973, 77]
  A)
  Reduction of \[MgO\] by coke done clear
  B)
  Electrolysis of aqueous solution of \[Mg(N{{O}_{3}})\] done clear
  C)
  Displacement of \[Mg\] by iron from \[MgS{{O}_{4}}\] solution done clear
  D)
  Electrolysis of molten \[MgC{{l}_{2}}\] done clear
  View Solution play_arrow

• question_answer13)
  Of the metals \[Be,\] \[Mg,\] \[Ca\] and \[Sr\] of group II A. In the periodic table the least ionic chloride would be formed by [NCERT 1980; CPMT 1980]
  A)
  \[Be\] done clear
  B)
  \[Mg\] done clear
  C)
  \[Ca\] done clear
  D)
  \[Sr\] done clear
  View Solution play_arrow

• question_answer14)
  Which one of the following is fluorspar
  A)
  \[Ca{{F}_{2}}\] done clear
  B)
  \[CaO\] done clear
  C)
  \[{{H}_{2}}{{F}_{2}}\] done clear
  D)
  \[CaC{{O}_{3}}\] done clear
  View Solution play_arrow

• question_answer15)
  Which one is known as barytes [CPMT 1987]
  A)
  \[BaS{{O}_{4}}\] done clear
  B)
  \[BaC{{l}_{2}}.2{{H}_{2}}O\] done clear
  C)
  \[BaO\] done clear
  D)
  \[BaC{{O}_{3}}\] done clear
  View Solution play_arrow

• question_answer16)
  Which of the following sulphates have the highest solubility in water [EAMCET 1980,84,85; MP PMT 1994; Kurukshetra CEE 1998; AFMC 1990; MP PET 1994]
  A)
  \[MgS{{O}_{4}}\] done clear
  B)
  \[BaS{{O}_{4}}\] done clear
  C)
  \[CaS{{O}_{4}}\] done clear
  D)
  \[BeS{{O}_{4}}\] done clear
  View Solution play_arrow

• question_answer17)
  The composition formulae of gypsum is [CPMT 1975, 78, 82; DPMT 1982; IIT 1978; MNR 1981; MP PMT 1996; RPMT 1997]
  A)
  \[{{\left( CaS{{O}_{4}} \right)}_{2}}.{{H}_{2}}O\] done clear
  B)
  \[2CaS{{O}_{4}}\] done clear
  C)
  \[CaS{{O}_{4}}.2{{H}_{2}}O\] done clear
  D)
  \[2CaS{{O}_{4}}.{{H}_{2}}O\] done clear
  View Solution play_arrow

• question_answer18)
  Mortar is a mixture of [EAMCET 1998; AIIMS 2000]
  A)
  \[CaC{{O}_{3}},\] sand and water done clear
  B)
  Slaked lime and water done clear
  C)
  Slaked lime, sand and water done clear
  D)
  \[CaC{{O}_{3}}\]and \[CaO\] done clear
  View Solution play_arrow

• question_answer19)
  Gypsum \[CaS{{O}_{4}}.2{{H}_{2}}O\] on heating to about \[{{120}^{o}}C\] forms a compound which has the chemical composition represented by [CPMT 1978, 82, 88, 90; EAMCET 1978; DPMT 1982, 83; NCERT 1979]
  A)
  \[CaS{{O}_{4}}\] done clear
  B)
  \[2CaS{{O}_{4}}.{{H}_{2}}O\] done clear
  C)
  \[CaS{{O}_{4}}.{{H}_{2}}O\] done clear
  D)
  \[2CaS{{O}_{4}}.3{{H}_{2}}O\] done clear
  View Solution play_arrow

• question_answer20)
  The highly efficient method of obtaining beryllium is [NCERT 1982]
  A)
  Dissociation of beryllium carbide done clear
  B)
  Electrolysis of fused beryllium chloride done clear
  C)
  Reduction of beryllium oxide with carbon done clear
  D)
  Reduction of beryllium halide with magnesium done clear
  View Solution play_arrow

• question_answer21)
  Mark the incorrect statement
  A)
  Lithopone is cheap and possess good covering power done clear
  B)
  Lithopone is yellow pigment done clear
  C)
  Lithopone is prepared by mixing barium sulphide and zinc sulphate done clear
  D)
  Lithopone is a mixture of barium sulphate and zinc sulphide done clear
  View Solution play_arrow

• question_answer22)
  Pure anhydrous \[MgC{{l}_{2}}\] can be prepared from the hydrated salt by [CPMT 1986; MP PMT 1989]
  A)
  Heating the hydrate with coke done clear
  B)
  Heating the hydrate with \[Mg\] ribbon done clear
  C)
  Melting the hydrate done clear
  D)
  Heating the hydrate to red heat in an atmosphere of \[HCl\]gas done clear
  View Solution play_arrow

• question_answer23)
  Bleaching powder is obtained by the interaction of chlorine and [CPMT 1972, 78, 89; 2002; DPMT 1983]
  A)
  Conc. solution of \[Ca{{(OH)}_{2}}\] done clear
  B)
  Dilute solution of \[Ca{{(OH)}_{2}}\] done clear
  C)
  Dry calcium oxide done clear
  D)
  Dry slaked lime done clear
  View Solution play_arrow

• question_answer24)
  Deep pink colour is given to flame by the salts of
  A)
  Strontium done clear
  B)
  Potassium done clear
  C)
  Zinc done clear
  D)
  Barium done clear
  View Solution play_arrow

• question_answer25)
  Calcium salts give which colour when put in a flame
  A)
  Brick red done clear
  B)
  Green done clear
  C)
  White done clear
  D)
  Pink done clear
  View Solution play_arrow

• question_answer26)
  Phosphine is obtained from the following ore [Roorkee 1995]
  A)
  Calcium superphosphite done clear
  B)
  Calcium phosphide done clear
  C)
  Potassium phosphide done clear
  D)
  Calcium hypophosphide done clear
  View Solution play_arrow

• question_answer27)
  Calcium is obtained by [DPMT 1980; IIT 1980; CPMT 1996;AIIMS 2001]
  A)
  Roasting of lime stone done clear
  B)
  Reduction of \[CaC{{l}_{2}}\] with carbon done clear
  C)
  Electrolysis of a solution of \[CaC{{l}_{2}}\] in water done clear
  D)
  Electrolysis of molten \[CaC{{l}_{2}}\] done clear
  View Solution play_arrow

• question_answer28)
  Which element possesses biggest atomic radii
  A)
  \[P\] done clear
  B)
  \[Si\] done clear
  C)
  \[Al\] done clear
  D)
  \[Mg\] done clear
  View Solution play_arrow

• question_answer29)
  Magnesia is
  A)
  \[MgC{{O}_{3}}\] done clear
  B)
  \[MgO\] done clear
  C)
  \[MgS{{O}_{4}}\] done clear
  D)
  \[MgC{{l}_{2}}\] done clear
  View Solution play_arrow

• question_answer30)
  Mixture of \[MgC{{l}_{2}}\] and \[MgO\] is called [DPMT 1984]
  A)
  Double salt done clear
  B)
  Sorrel cement done clear
  C)
  Portland cement done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer31)
  Lithopone is [AFMC 1992; BHU 1983, 86, 95; JIPMER 1999; RPET/PMT 1999]
  A)
  \[BaO+ZnS{{O}_{4}}\] done clear
  B)
  \[ZnO+BaS{{O}_{4}}\] done clear
  C)
  \[BaS+ZnS{{O}_{4}}\] done clear
  D)
  \[ZnS+BaS{{O}_{4}}\] done clear
  View Solution play_arrow

• question_answer32)
  For bleaching powder, which is incorrect [EAMCET 1984; CPMT 1985]
  A)
  Reacts with dilute acid to release chlorine done clear
  B)
  Oxidising agent done clear
  C)
  Light yellow coloured powder done clear
  D)
  Highly soluble in water done clear
  View Solution play_arrow

• question_answer33)
  Bleaching powder is a compound having the molecular formula [CPMT 1986, 89, 90, 93; MP PMT 1996; BHU 2005]
  A)
  \[CaOC{{l}_{3}}\] done clear
  B)
  \[CaOC{{l}_{2}}\] done clear
  C)
  \[CaClO\] done clear
  D)
  \[CaCl{{O}_{3}}\] done clear
  View Solution play_arrow

• question_answer34)
  Calcium cynamide is [CPMT 1986, 93]
  A)
  \[CaCHN{{H}_{2}}\] done clear
  B)
  \[CaC{{N}_{2}}\] done clear
  C)
  \[Ca{{C}_{2}}{{N}_{2}}\] done clear
  D)
  \[Ca{{(CN)}_{2}}\] done clear
  View Solution play_arrow

• question_answer35)
  Which one of the following is a true peroxide [RPET 1999; CPMT 1981; Roorkee 1995]
  A)
  \[S{{O}_{2}}\] done clear
  B)
  \[Ba{{O}_{2}}\] done clear
  C)
  \[Mn{{O}_{2}}\] done clear
  D)
  \[N{{O}_{2}}\] done clear
  View Solution play_arrow

• question_answer36)
  Which of the following is not a water absorber and dehydrating substance [CBSE 1989; JIPMER 2002]
  A)
  Silica gel done clear
  B)
  \[{{P}_{2}}{{O}_{5}}\] done clear
  C)
  Conc. \[{{H}_{2}}S{{O}_{4}}\] done clear
  D)
  Aqueous \[CaC{{l}_{2}}\] done clear
  View Solution play_arrow

• question_answer37)
  The dark red colour of bombs in fireworks is due to the presence of [Roorkee 1989; DPMT 2001 MP PMT 1985; AFMC 1989; Roorkee 1989]
  A)
  \[Na\] done clear
  B)
  \[Ba\] done clear
  C)
  \[Sr\] done clear
  D)
  \[K\] done clear
  View Solution play_arrow

• question_answer38)
  The most electropositive amongst the alkaline earth metals is [MP PMT 1993]
  A)
  Beryllium done clear
  B)
  Magnesium done clear
  C)
  Calcium done clear
  D)
  Barium done clear
  View Solution play_arrow

• question_answer39)
  Which of the following salts is insoluble in water at room temperature but soluble in boiling water [MP PMT 1993]
  A)
  \[CaC{{l}_{2}}\] done clear
  B)
  \[BaC{{l}_{2}}\] done clear
  C)
  \[SrC{{l}_{2}}\] done clear
  D)
  \[PbC{{l}_{2}}\] done clear
  View Solution play_arrow

• question_answer40)
  Electronegativity of beryllium is approximately equal to that of [MP PMT 1993]
  A)
  Aluminium done clear
  B)
  Boron done clear
  C)
  Magnesium done clear
  D)
  Sodium done clear
  View Solution play_arrow

• question_answer41)
  The right order of the solubility of sulphates of alkaline earth metals in water is [MP PET 1993; Pb. CET 2000; DPMT 2004]
  A)
  \[Be>Ca>Mg>Ba>Sr\] done clear
  B)
  \[Mg>Be>Ba>Ca>Sr\] done clear
  C)
  \[Be>Mg>Ca>Sr>Ba\] done clear
  D)
  \[Mg>Ca>Ba>Be>Sr\] done clear
  View Solution play_arrow

• question_answer42)
  Which of the following has highest electrode potential [CPMT 1990]
  A)
  \[Be\] done clear
  B)
  \[Mg\] done clear
  C)
  \[Ca\] done clear
  D)
  \[Ba\] done clear
  View Solution play_arrow

• question_answer43)
  The alkaline earth metals \[Ba,\] \[Sr,\] \[Ca\] and \[Mg\] may be arranged in the order of their decreasing first ionisation potential as [CPMT 1990]
  A)
  \[Mg,\] \[Ca,\] \[Sr,\] \[Ba,\] done clear
  B)
  \[Ca,\] \[Sr,\] \[Ba,\] \[Mg\] done clear
  C)
  \[Sr,\] \[Ba,\] \[Mg,\] \[Ca\] done clear
  D)
  \[Ba,\] \[Mg,\] \[Ca,\] \[Sr,\] done clear
  View Solution play_arrow

• question_answer44)
  Which of the following alkaline earth metals shows some properties similar to aluminium [BHU 1983]
  A)
  \[Be\] done clear
  B)
  \[Ca\] done clear
  C)
  \[Sr\] done clear
  D)
  \[Ba\] done clear
  View Solution play_arrow

• question_answer45)
  Which of the following ions forms highly soluble hydroxide in water [CPMT 1974, 76, 79, 82]
  A)
  \[{{K}^{+}}\] done clear
  B)
  \[Z{{n}^{++}}\] done clear
  C)
  \[A{{l}^{+++}}\] done clear
  D)
  \[C{{a}^{++}}\] done clear
  View Solution play_arrow

• question_answer46)
  Sodium sulphate is soluble in water whereas barium sulphate is sparingly soluble because [IITJEE 1989]
  A)
  The hydration energy of \[N{{a}_{2}}S{{O}_{4}}\] is less than its lattice energy done clear
  B)
  The hydration energy of \[N{{a}_{2}}S{{O}_{4}}\] is more than its lattice energy done clear
  C)
  The lattice energy of \[BaS{{O}_{4}}\] is more than its hydration energy done clear
  D)
  The lattice energy has no role to play in solubility done clear
  View Solution play_arrow

• question_answer47)
  Which one of the following is most basic [CPMT 1977, 83]
  A)
  \[A{{l}_{2}}{{O}_{3}}\] done clear
  B)
  \[MgO\] done clear
  C)
  \[Si{{O}_{2}}\] done clear
  D)
  \[{{P}_{2}}{{O}_{5}}\] done clear
  View Solution play_arrow

• question_answer48)
  Alloys of ...... metal are light and strong and so are used in the manufacture of aeroplane parts [EAMCET 1978]
  A)
  \[Cr\] done clear
  B)
  \[Sn\] done clear
  C)
  \[Fe\] done clear
  D)
  \[Mg\] done clear
  View Solution play_arrow

• question_answer49)
  In India at the occasion of marriages, the fire works used give green flame. Which one of the following radicals may be present [CPMT 1980; AFMC 1989; MP PMT 2001; MP PET 2002]
  A)
  \[Na\] done clear
  B)
  \[K\] done clear
  C)
  \[Ba\] done clear
  D)
  \[Ca\] done clear
  View Solution play_arrow

• question_answer50)
  \[CaC{{O}_{3}}CaO+C{{O}_{2}}\] reaction in a line goes to completion because [AFMC 2005]
  A)
  \[CaO\]does not react to \[C{{O}_{2}}\] to give \[CaC{{O}_{3}}\] done clear
  B)
  Backward reaction is very slow done clear
  C)
  \[C{{O}_{2}}\] formed escapes out done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer51)
  The wire of flash bulb is made of [CPMT 1988]
  A)
  \[Mg\] done clear
  B)
  \[Cu\] done clear
  C)
  \[Ba\] done clear
  D)
  \[Ag\] done clear
  View Solution play_arrow

• question_answer52)
  Bone ash contains [KCET 1992]
  A)
  \[CaO\] done clear
  B)
  \[CaS{{O}_{4}}\] done clear
  C)
  \[C{{a}_{3}}{{(P{{O}_{4}})}_{2}}\] done clear
  D)
  \[Ca{{({{H}_{2}}P{{O}_{4}})}_{2}}\] done clear
  View Solution play_arrow

• question_answer53)
  A substance absorbs \[C{{O}_{2}}\] and violently reacts with water. That substance is [AFMC 1988]
  A)
  \[CaC{{O}_{3}}\] done clear
  B)
  \[CaO\] done clear
  C)
  \[{{H}_{2}}S{{O}_{4}}\] done clear
  D)
  \[ZnO\] done clear
  View Solution play_arrow

• question_answer54)
  Setting of cement is an [DPMT 1984]
  A)
  Exothermic reaction done clear
  B)
  Endothermic reaction done clear
  C)
  Neither exothermic nor endothermic done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer55)
  Which is quick lime [EAMCET 1993]
  A)
  \[Ca{{(OH)}_{2}}\] done clear
  B)
  \[CaO\] done clear
  C)
  \[CaC{{O}_{3}}\] done clear
  D)
  \[Ca{{(OH)}_{2}}+{{H}_{2}}O\] done clear
  View Solution play_arrow

• question_answer56)
  A major constituent of portland cement except lime is [CPMT 1982]
  A)
  Silica done clear
  B)
  Alumina done clear
  C)
  Iron oxide done clear
  D)
  Magnesia done clear
  View Solution play_arrow

• question_answer57)
  Portland cement is manufactured by using [CPMT 1986]
  A)
  Lime stone, clay and sand done clear
  B)
  Lime stone, gypsum and sand done clear
  C)
  Lime stone, gypsum and alumina done clear
  D)
  Lime stone, clay and gypsum done clear
  View Solution play_arrow

• question_answer58)
  Identify the correct statement [CBSE PMT 1995]
  A)
  Gypsum contains a lower percentage of plaster of calcium than plaster of paris done clear
  B)
  Gypsum is obtained by heating plaster of paris done clear
  C)
  Plaster of paris can be obtained by hydration of gypsum done clear
  D)
  Plaster of paris is obtained by partial oxidation of gypsum done clear
  View Solution play_arrow

• question_answer59)
  Which of the following decreases on going gradually from \[Be\] to \[Ba\] (in periodic table)
  A)
  Basic character of hydroxides done clear
  B)
  Solubility of sulphates in water done clear
  C)
  Solubility of hydroxides in water done clear
  D)
  Strength of elements as reducing agent done clear
  View Solution play_arrow

• question_answer60)
  Alkaline earth metals are [MP PMT 1996]
  A)
  Li, Be, K, Mg, Ca done clear
  B)
  Be, Mg, Ca, Sr, Ba done clear
  C)
  Be, K, Mg, Ca, Sr done clear
  D)
  Be, Mg, Ca, K, Rb done clear
  View Solution play_arrow

• question_answer61)
  Which of the following substances is used in the laboratory for fast drying of neutral gases [AIIMS 1998; AFMC 1999]
  A)
  Sodium phosphate done clear
  B)
  Phosphorus pentoxide done clear
  C)
  Sodium sulphate done clear
  D)
  Anhydrous calcium chloride done clear
  View Solution play_arrow

• question_answer62)
  Which of the following can be represented by the configuration \[[Kr]\,5{{s}^{2}}\]? [MP PMT 1997]
  A)
  \[Ca\] done clear
  B)
  \[Sr\] done clear
  C)
  \[Ba\] done clear
  D)
  \[Ra\] done clear
  View Solution play_arrow

• question_answer63)
  Point out the incorrect statement regarding \[Be\] (Group-IIA) [MP PMT 1997]
  A)
  It forms an ionic carbide done clear
  B)
  Its carbonate decomposes on heating done clear
  C)
  Its halides are covalent done clear
  D)
  It is easily attacked by water done clear
  View Solution play_arrow

• question_answer64)
  Beryllium differs from rest of the members of its family (Group-IIA) in many ways. The reason for this is its [MP PMT 1997]
  A)
  Small size and higher electronegativity done clear
  B)
  Small size and lower electronegativity done clear
  C)
  Large size and lower ionisation energy done clear
  D)
  Large size and largest ionic radius done clear
  View Solution play_arrow

• question_answer65)
  The oxide, which is best soluble in \[{{H}_{2}}O\] is [BHU 2001]
  A)
  \[Ba{{(OH)}_{2}}\] done clear
  B)
  \[Mg{{(OH)}_{2}}\] done clear
  C)
  \[{{K}^{+}},\,HCO_{3}^{-}\] done clear
  D)
  \[Ca{{(OH)}_{2}}\] done clear
  View Solution play_arrow

• question_answer66)
  The property of the alkaline earth metals that increases with their atomic number is [BHU 2001]
  A)
  Ionisation energy done clear
  B)
  Electronegativity  done clear
  C)
  Solubility of their sulphates done clear
  D)
  Solubility of their hydroxides done clear
  View Solution play_arrow

• question_answer67)
  In the Alkaline earth metals, the element forming predominantly covalent compound is [BHU 2001]
  A)
  \[Be\] done clear
  B)
  \[Mg\] done clear
  C)
  \[Sr\] done clear
  D)
  \[Ca\] done clear
  View Solution play_arrow

• question_answer68)
  A mixture of lime paste is sand, water and [RPMT 1997]
  A)
  Gypsum done clear
  B)
  Slacked lime done clear
  C)
  Quick lime done clear
  D)
  Lime stone done clear
  View Solution play_arrow

• question_answer69)
  The formula for calcium chlorite is [CBSE PMT 1994, 96]
  A)
  \[Ca{{\left( Cl{{O}_{4}} \right)}_{2}}\] done clear
  B)
   \[Ca{{\left( Cl{{O}_{3}} \right)}_{2}}\] done clear
  C)
  \[CaCl{{O}_{2}}\] done clear
  D)
  \[Ca{{(Cl{{O}_{2}})}_{2}}\] done clear
  View Solution play_arrow

• question_answer70)
  Which pair of substances gives same gaseous product, when these react with water [CBSE PMT 1994]
  A)
  \[Ca\] and \[Ca{{H}_{2}}\] done clear
  B)
  \[Na\] and \[N{{a}_{2}}{{O}_{2}}\] done clear
  C)
  \[K\] and \[K{{O}_{2}}\] done clear
  D)
  \[Ba\] and \[Ba{{O}_{2}}\] done clear
  View Solution play_arrow

• question_answer71)
  Magnesium does not decompose the [AFMC 1999]
  A)
  Steam done clear
  B)
  Hot water done clear
  C)
  Cold Water done clear
  D)
  Semi hot water done clear
  View Solution play_arrow

• question_answer72)
  Alkaline earth metals are denser than alkali metals because metallic bonding is [AIIMS 1999]
  A)
  Stronger done clear
  B)
  Weaker done clear
  C)
  Not present done clear
  D)
  Volatile done clear
  View Solution play_arrow

• question_answer73)
  Property of the alkaline earth metals that increases with their atomic number is [IIT 1997]
  A)
  Ionisation energy done clear
  B)
  Solubility of their hydroxides done clear
  C)
  Solubility of their sulphates done clear
  D)
  Electronegativity done clear
  View Solution play_arrow

• question_answer74)
  A metal is burnt in air and the ash on moistening smells of \[N{{H}_{3}}\]. The metal is [KCET 1996]
  A)
  \[Na\] done clear
  B)
  \[Fe\] done clear
  C)
  \[Mg\] done clear
  D)
  \[Al\] done clear
  View Solution play_arrow

• question_answer75)
  Alkaline earth metals come under [Bihar MEE 1996]
  A)
  Halogens done clear
  B)
  Representative elements done clear
  C)
  Transition elements done clear
  D)
  Inner transition elements done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer76)
  Which of the following alkaline-earth metal hydroxides is the strongest base [CPMT 1996]
  A)
  \[Be{{(OH)}_{2}}\] done clear
  B)
  \[Mg{{(OH)}_{2}}\] done clear
  C)
  \[Ca{{(OH)}_{2}}\] done clear
  D)
  \[Ba{{(OH)}_{2}}\] done clear
  View Solution play_arrow

• question_answer77)
  Which one of the following is the strongest base [Pb. PMT 1998]
  A)
  \[Be{{\left( OH \right)}_{2}}\] done clear
  B)
  \[Mg{{\left( OH \right)}_{2}}\] done clear
  C)
  \[Al{{\left( OH \right)}_{3}}\] done clear
  D)
  \[Si{{\left( OH \right)}_{4}}\] done clear
  View Solution play_arrow

• question_answer78)
  Lime stone is [RPMT 1997]
  A)
  \[CaO\] done clear
  B)
  \[Ca{{(OH)}_{2}}\] done clear
  C)
  Both a and b done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer79)
  Which of the alkaline earth metals is strongest reducing agent [MP PMT 1995]
  A)
  \[Ca\] done clear
  B)
  \[Sr\] done clear
  C)
  \[Ba\] done clear
  D)
  \[Mg\] done clear
  View Solution play_arrow

• question_answer80)
  Plaster of paris hardens by [CPMT 1994]
  A)
  Giving off \[C{{O}_{2}}\] done clear
  B)
  Changing into \[CaC{{O}_{3}}\] done clear
  C)
  Uniting with water done clear
  D)
  Giving out water done clear
  View Solution play_arrow

• question_answer81)
  Which is not soluble in water [CPMT 1994]
  A)
  \[CaC{{O}_{3}}\] done clear
  B)
  \[BaC{{O}_{3}}\] done clear
  C)
  \[SrC{{O}_{3}}\] done clear
  D)
  All of these done clear
  View Solution play_arrow

• question_answer82)
  The correct order of the increasing ionic character is [MNR 1991; AFMC 1998]
  A)
  \[BeC{{l}_{2}}<MgC{{l}_{2}}<CaC{{l}_{2}}<BaC{{l}_{2}}\] done clear
  B)
  \[BeC{{l}_{2}}<MgC{{l}_{2}}<BaC{{l}_{2}}<CaC{{l}_{2}}\] done clear
  C)
  \[BeC{{l}_{2}}<BaC{{l}_{2}}<MgC{{l}_{2}}<CaC{{l}_{2}}\] done clear
  D)
  \[BaC{{l}_{2}}<CaC{{l}_{2}}<MgC{{l}_{2}}<BeC{{l}_{2}}\] done clear
  View Solution play_arrow

• question_answer83)
  \[MgC{{l}_{2}}.6{{H}_{2}}O\] when heated gives [CPMT 1997]
  A)
  Magnesium oxychloride done clear
  B)
  Magnesium dichloride done clear
  C)
  Magnesium oxide done clear
  D)
  Magnesium chloride done clear
  View Solution play_arrow

• question_answer84)
  Which of the following hydroxide is insoluble in water [AIIMS 2001]
  A)
  \[Be{{(OH)}_{2}}\] done clear
  B)
  \[Mg{{(OH)}_{2}}\] done clear
  C)
  \[Ca{{(OH)}_{2}}\] done clear
  D)
  \[Ba{{(OH)}_{2}}\] done clear
  View Solution play_arrow

• question_answer85)
  Which of the following statements is false [BHU 2005]
  A)
  CaOCl2 gives OH-, Cl- and OCl­- in aqueous solution done clear
  B)
  Diamond and graphite are allotrops of carbon done clear
  C)
  Bleaching action of Cl2 in moist condition is not permanent done clear
  D)
  Calomel is Hg2Cl2 done clear
  View Solution play_arrow

• question_answer86)
  A metal M readily forms its sulphate \[MS{{O}_{4}}\] which is water-soluble. It forms its oxide \[MO\] which becomes inert on heating. It forms its insoluble hydroxide \[M{{(OH)}_{2}}\] which is soluble in \[NaOH\] solution. Then M is [AIEEE 2002]
  A)
  \[Mg\] done clear
  B)
  \[Ba\] done clear
  C)
  \[Ca\] done clear
  D)
  \[Be\] done clear
  View Solution play_arrow

• question_answer87)
  In the lime (kiln), the reaction \[CaC{{O}_{3}}(s)\to C{{O}_{2}}(g)\] goes to completion because [Kerala (Engg.) 2002]
  A)
  Of high temperature done clear
  B)
  CaO is more stable than \[CaC{{O}_{3}}\] done clear
  C)
  \[C{{O}_{2}}\] escapes simultaneously done clear
  D)
  CaO is not dissociated done clear
  View Solution play_arrow

• question_answer88)
  The ionic compound \[BaS{{O}_{4}}\] is insoluble in water due to [CPMT 1999]
  A)
  High lattice energy done clear
  B)
  Low lattice energy done clear
  C)
  Low hydration energy done clear
  D)
  Both a and c done clear
  View Solution play_arrow

• question_answer89)
  which is used to reduced the acidity of soil [DPMT 2001]
  A)
  Calcium hydroxide done clear
  B)
  Ammonium sulphate done clear
  C)
  Ammonium nitrate done clear
  D)
  Ammonium chloride done clear
  View Solution play_arrow

• question_answer90)
  Alkaline earth metals belong to the [KCET (Med.) 2001]
  A)
  \[Ba{{(OH)}_{2}}\] block in periodic table done clear
  B)
  \[p-\] block in periodic table done clear
  C)
  \[d-\] block in periodic table done clear
  D)
  \[f-\] block in periodic table done clear
  View Solution play_arrow

• question_answer91)
  The element having atomic number 56 belongs to [AFMC 2002]
  A)
  Actinides done clear
  B)
  Alkaline earth metals done clear
  C)
  Transition series done clear
  D)
  Lanthanides done clear
  View Solution play_arrow

• question_answer92)
  The thermal stability of alkaline earth metal carbonates \[MgC{{O}_{3}},\,CaC{{O}_{3}},\]\[BaC{{O}_{3}}\] and \[SrC{{O}_{3}}\]decreases as [MP PMT 2002]
  A)
  \[CaC{{O}_{3}}>SrC{{O}_{3}}>MgC{{O}_{3}}>BaC{{O}_{3}}\] done clear
  B)
  \[BaC{{O}_{3}}>SrC{{O}_{3}}>MgC{{O}_{3}}>CaC{{O}_{3}}\] done clear
  C)
  \[BaC{{O}_{3}}>SrC{{O}_{3}}>CaC{{O}_{3}}>MgC{{O}_{3}}\] done clear
  D)
  \[MgC{{O}_{3}}>CaC{{O}_{3}}>SrC{{O}_{3}}>BaC{{O}_{3}}\] done clear
  View Solution play_arrow

• question_answer93)
  A certain metal M is used to prepare an antacid, which is used as a medicine in acidity. This metal accidently catches fire which can not be put out by using \[C{{O}_{2}}\] based extinguishers. The metal M is [BHU 2002]
  A)
  \[Ca\] done clear
  B)
  C done clear
  C)
  Mg done clear
  D)
  All of these done clear
  View Solution play_arrow

• question_answer94)
  \[Be{{(OH)}_{2}}\] is insoluble in water while \[Ba{{(OH)}_{2}}\] is highly soluble due to [AMU 2002]
  A)
  Bond order done clear
  B)
  Lattice energy difference done clear
  C)
  Common ion effect done clear
  D)
  Hard acid done clear
  View Solution play_arrow

• question_answer95)
  Which of the following gives a green colour to flame [AFMC 2001]
  A)
  Barium done clear
  B)
  Calcium done clear
  C)
  Strontium done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer96)
  Sparingly soluble salt is [RPMT 1999]
  A)
  \[KCl\] done clear
  B)
  \[NaCl\] done clear
  C)
  \[N{{H}_{4}}Cl\] done clear
  D)
  \[BaS{{O}_{4}}\] done clear
  View Solution play_arrow

• question_answer97)
  Among the alkaline earth metals the element forming predominantly covalent compound is [MP PET 1999]
  A)
  Barium done clear
  B)
  Strontium done clear
  C)
  Calcium done clear
  D)
  Berylium done clear
  View Solution play_arrow

• question_answer98)
  Peroxide bond is present in [RPET 2003]
  A)
  \[MgO\] done clear
  B)
  \[CaO\] done clear
  C)
  \[L{{i}_{2}}O\] done clear
  D)
  \[Ba{{O}_{2}}\] done clear
  View Solution play_arrow

• question_answer99)
  Least ionic character is found in [CPMT 1993]
  A)
  \[Mg\] done clear
  B)
  \[Sr\] done clear
  C)
  \[Ca\] done clear
  D)
  \[Ra\] done clear
  View Solution play_arrow

• question_answer100)
  The number of water molecules in gypsum and plaster of paris respectively are [Pb. PMT 1999]
  A)
  1/2 and 2 done clear
  B)
  2 and ½ done clear
  C)
  2 and 1 done clear
  D)
  5 and 2 done clear
  View Solution play_arrow

• question_answer101)
  Which of the following is formed when calcium combines with oxygen [MH CET 2000]
  A)
  Ca done clear
  B)
  CaO done clear
  C)
  \[Ca{{O}_{2}}\] done clear
  D)
  \[C{{a}_{2}}{{O}_{2}}\] done clear
  View Solution play_arrow

• question_answer102)
  Slow acting nitrogenous fertilizer among the following is [DCE 2003]
  A)
  \[N{{H}_{2}}CON{{H}_{2}}\] done clear
  B)
  \[N{{H}_{4}}N{{O}_{3}}\] done clear
  C)
  \[CaNCN\] done clear
  D)
  \[KN{{O}_{3}}\] done clear
  View Solution play_arrow

• question_answer103)
  Plaster of paris is used [Pb. CET 2000; CPMT 2000]
  A)
  In surgery and dentistry done clear
  B)
  As a white wash done clear
  C)
  As a constituent of tooth paste done clear
  D)
  For the preparation of RCC done clear
  View Solution play_arrow

• question_answer104)
  Iron pipes lying under acidic soil are often attached to blocks of magnesium for protection from rusting. Magnesium offers protection to iron against corrosion because it [DPMT 2004; BHU 2004]
  A)
  Prevents air from reaching the surface of iron done clear
  B)
  is more readily converted into positive ions done clear
  C)
  Is higher than iron done clear
  D)
  Forms a corrosion-resistance alloy with iron done clear
  View Solution play_arrow

• question_answer105)
  Among \[K,\ Ca,\ Fe,\]and \[Zn\], the element which can form more than one binary compound with chlorine is  [CBSE PMT 2004]
  A)
  K done clear
  B)
  Ca done clear
  C)
  Fe done clear
  D)
  Zn done clear
  View Solution play_arrow

• question_answer106)
  Li shows the diagonal relationship with [Pb.CET 2001]
  A)
  Mg done clear
  B)
  B done clear
  C)
  Al done clear
  D)
  C done clear
  View Solution play_arrow

• question_answer107)
  A sodium salt on treatment with \[MgC{{l}_{2}}\]gives white precipitate only on heating. The anion of the sodium salt is [IIT JEE Screening 2004]
  A)
  \[HCO_{3}^{-}\] done clear
  B)
  \[CO_{3}^{2-}\] done clear
  C)
  \[NO_{3}^{-}\] done clear
  D)
  \[SO_{4}^{2-}\] done clear
  View Solution play_arrow

• question_answer108)
  \[MgC{{l}_{2}}.6{{H}_{2}}O\]. When heated gives [MHCET 2003]
  A)
  Magnesium oxide done clear
  B)
  Magnesium oxychloride done clear
  C)
  Magnesium dichloride done clear
  D)
  Magnesium chloride done clear
  View Solution play_arrow

• question_answer109)
  Mg burns in CO to produce [Pb.PMT 2001]
  A)
  \[Mg{{O}_{2}}\] done clear
  B)
  \[MgC{{O}_{3}}\] done clear
  C)
  \[MgO+CO\] done clear
  D)
  \[MgO+C\] done clear
  View Solution play_arrow

• question_answer110)
  Sorel's cement is [Pb.CET 2003]  
  A)
  Portland cement \[+MgO\] done clear
  B)
  \[MgC{{l}_{2}}.CaSi{{O}_{3}}.2{{H}_{2}}O\] done clear
  C)
  \[CaSi{{O}_{3}}.MgC{{O}_{3}}\] done clear
  D)
  \[MgC{{l}_{2}}.5MgO.x{{H}_{2}}O\] done clear
  View Solution play_arrow

• question_answer111)
  Colemnite is [AFMC 2004]
  A)
  \[Ca[{{B}_{3}}{{O}_{4}}{{(OH)}_{2}}].2{{H}_{2}}O\] done clear
  B)
  \[C{{a}_{2}}{{B}_{6}}{{O}_{11}}.5{{H}_{2}}O\] done clear
  C)
  \[Ca{{(OH)}_{2}}\] done clear
  D)
  \[N{{a}_{2}}{{B}_{4}}{{O}_{7}}.2{{H}_{2}}O\] done clear
  View Solution play_arrow