Chemical Properties and General Characteristics of Alkali Metals
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CHXI10:THE S-BLOCK ELEMENTS

315816 Amphoteric hydroxides react with both alkalies and acids. Which of the following Group 2 metal hydroxides is soluble in sodium hydroxide?

1 Be(OH)2
2 Mg(OH)2
3 Ca(OH)2
4 Ba(OH)2
NCERT Exempler
CHXI10:THE S-BLOCK ELEMENTS

315817 The pair of amphoteric hydroxides is

1 Al(OH)3,LiOH
2 Be(OH)2,Mg(OH)2
3 B(OH)3,Be(OH)2
4 Be(OH)2,Zn(OH)2
CHXI10:THE S-BLOCK ELEMENTS

315818 Which of the following has correct increasing basic strength?

1 MgO<BeO<CaO<BaO
2 BeO<MgO<CaO<BaO
3 BaO<CaO<MgO<BeO
4 CaO<BaO<BeO<MgO
CHXI10:THE S-BLOCK ELEMENTS

315819 Be(OH)2 is insoluble in water while Ba(OH)2 is highly soluble due to

1 Hard acid
2 Bond order
3 Lattice energy difference
4 Common ion effect
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CHXI10:THE S-BLOCK ELEMENTS

315816 Amphoteric hydroxides react with both alkalies and acids. Which of the following Group 2 metal hydroxides is soluble in sodium hydroxide?

1 Be(OH)2
2 Mg(OH)2
3 Ca(OH)2
4 Ba(OH)2
NCERT Exempler
CHXI10:THE S-BLOCK ELEMENTS

315817 The pair of amphoteric hydroxides is

1 Al(OH)3,LiOH
2 Be(OH)2,Mg(OH)2
3 B(OH)3,Be(OH)2
4 Be(OH)2,Zn(OH)2
CHXI10:THE S-BLOCK ELEMENTS

315818 Which of the following has correct increasing basic strength?

1 MgO<BeO<CaO<BaO
2 BeO<MgO<CaO<BaO
3 BaO<CaO<MgO<BeO
4 CaO<BaO<BeO<MgO
CHXI10:THE S-BLOCK ELEMENTS

315819 Be(OH)2 is insoluble in water while Ba(OH)2 is highly soluble due to

1 Hard acid
2 Bond order
3 Lattice energy difference
4 Common ion effect
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CHXI10:THE S-BLOCK ELEMENTS

315816 Amphoteric hydroxides react with both alkalies and acids. Which of the following Group 2 metal hydroxides is soluble in sodium hydroxide?

1 Be(OH)2
2 Mg(OH)2
3 Ca(OH)2
4 Ba(OH)2
NCERT Exempler
CHXI10:THE S-BLOCK ELEMENTS

315817 The pair of amphoteric hydroxides is

1 Al(OH)3,LiOH
2 Be(OH)2,Mg(OH)2
3 B(OH)3,Be(OH)2
4 Be(OH)2,Zn(OH)2
CHXI10:THE S-BLOCK ELEMENTS

315818 Which of the following has correct increasing basic strength?

1 MgO<BeO<CaO<BaO
2 BeO<MgO<CaO<BaO
3 BaO<CaO<MgO<BeO
4 CaO<BaO<BeO<MgO
CHXI10:THE S-BLOCK ELEMENTS

315819 Be(OH)2 is insoluble in water while Ba(OH)2 is highly soluble due to

1 Hard acid
2 Bond order
3 Lattice energy difference
4 Common ion effect
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CHXI10:THE S-BLOCK ELEMENTS

315816 Amphoteric hydroxides react with both alkalies and acids. Which of the following Group 2 metal hydroxides is soluble in sodium hydroxide?

1 Be(OH)2
2 Mg(OH)2
3 Ca(OH)2
4 Ba(OH)2
NCERT Exempler
CHXI10:THE S-BLOCK ELEMENTS

315817 The pair of amphoteric hydroxides is

1 Al(OH)3,LiOH
2 Be(OH)2,Mg(OH)2
3 B(OH)3,Be(OH)2
4 Be(OH)2,Zn(OH)2
CHXI10:THE S-BLOCK ELEMENTS

315818 Which of the following has correct increasing basic strength?

1 MgO<BeO<CaO<BaO
2 BeO<MgO<CaO<BaO
3 BaO<CaO<MgO<BeO
4 CaO<BaO<BeO<MgO
CHXI10:THE S-BLOCK ELEMENTS

315819 Be(OH)2 is insoluble in water while Ba(OH)2 is highly soluble due to

1 Hard acid
2 Bond order
3 Lattice energy difference
4 Common ion effect
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