Ammonium chloride when dissolved in water leads to cooling sensation. The dissolution of at constant temperature is accompanied by

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Question

Ammonium chloride when dissolved in water leads to cooling sensation. The dissolution of $NH_4Cl$ at constant temperature is accompanied by

Prashant Kotian · Accepted Answer

Correct answer: A. The dissolution of a crystalline solid salt into ions dispersed in water increases molecular randomness, which means the entropy increases (Δ S > 0).

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