1. 28.5 kJ
2. 17.1 kJ
3. 45.7 kJ
4. 1 .7 kJ
1. -1
2. 0
3. > 1
4. < 1
1. K+ < Ca2+ < Mg2+ < Be2+
2. Be2+ < K2+ < Ca2+ < Mg2+
3. Mg2+ < Be2+ < K+ < Ca2+
4. Ca2+ < Mg2+ <Be+ < K+
1. 4.32
2. 3.34
3. 9.46
4. 5.97
1. 500 K
2. 400 K
3. 600 K
4. 200 K
1. 64%
2. 36%
3. 100%
4. 50%
1. 0.0105 equivalent of H2C2O4. 2H2O<0.625g of Fe<0.006g atom of Ag<6.0×1021 atoms of Zn
2. 0.625 g of Fe < 0.0105 equivalent of H2C2O4 2H2O<6.0×1021 atoms of Zn<0.006g atoms of Ag
3. 0.625 g of Fe<6.0×1021 atoms of Zn<0.006 g atoms of Ag<0.0105 equivalent of H2C2O4.2H2O
4. 0.0105 equivalent of H2C2O4. 2H2O < 0.006 g atoms of Ag<6.0×1021 atoms of Zn<0.625 g of Fe
1. I > II > IV > III
2. IV > III > II > I
3. II > III > IV > I
4. III> IV> II> I