Which of the following salts on dissolution i | vedclass

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(D) $NH_4Cl$ is a salt of a strong acid $(HCl)$ and a weak base $(NH_4OH)$.Upon hydrolysis,the $NH_4^+$ ion reacts with water to produce $H_3O^+$ ions

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$NH_4Cl$

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(D) $NH_4Cl$ is a salt of a strong acid $(HCl)$ and a weak base $(NH_4OH)$.Upon hydrolysis,the $NH_4^+$ ion reacts with water to produce $H_3O^+$ ions,making the solution acidic with a $pH $KCN$ and $CH_3COONa$ are salts of a weak acid and a strong base,resulting in a basic solution $(pH > 7)$.$NaBr$ is a salt of a strong acid and a strong base,resulting in a neutral solution $(pH = 7)$.

Which of the following salts on dissolution in water gives $pH$ less than $7$ at $298 \ K$?

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