1.

Which of the following salts does not hydrolyse in water? (a) Sodium acetate (b) Sodium carbonate (c) Sodium nitrate (d) Sodium cyanide

Answer»

(C) Sodium nitrate

Only salts of (weak acid + strong base) and (strong acid + weak base) get hydrolysed and show alkalinity or acidity in water. salt of strong acid and strong base does not get hydrolysed in water.

Here, sodium acetate (\(CH_3COONa\)) (weak acid + strong base)

Sodium carbonate (strong acid + weak base)

Sodium cyanide (\(NaCN\)), (strong base + weak acid)

While - Sodium nitrate is salt of strong base and strong acid.

Therefore, it does not get hydrolyse in water.

Option : (c) Sodium nitrate


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