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| 1. |
The hydroxides and carbonates of sodium and potassium are easily soluble in water while the corresponding salts of megnesium and calcium are sparingly soluble in water. Explain. |
| Answer» Due to larger size of `Na` and `K` as compared to that of `Mg` and `Ca`,the lattice enthalpies of hydroxides and carbonates of sodium and potassium are much lower than those of the hydroxides and carbonates of magnesium and calcium. As a result, the hydroxides of `Na` and `K` are easily soluble in water while the corresponding salts of magnesium and calcium are sparingly in water. | |