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  2. The hydroxides and carbonates of sodium and potassium are easily soluble in water while the corresponding salts of
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10.20 The hydroxides and carbonates of sodium and potassium are easily soluble in water while the corresponding salts of magnesium and calcium are sparingly soluble in water. Explain?

Answers (1)
R Rakesh

The atomic size of sodium and potassium is lager than the magnesium and calcium. So, the lattic energy of carbonates and oxides formed by sodium and potassium are less than that of calcium and magnesium. Therefore the carbonates and oxides of Na and K are dissolve readily in water and Mg and Ca are sparingly soluble in water

 

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