Q.

The pH of 0.1 M solution of the following salts increases in the order :

Moderate

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By Expert Faculty of Sri Chaitanya

$NaCN < {NH}_{4} Cl < NaCN < HCl$

$HCl < {NH}_{4} Cl < NaCl < NaCN$

$NaCN < {NH}_{4} Cl < NaCl < HCl$

$HCl < NaCl < NaCN < {NH}_{1} Cl$

answer is B.

(Detailed Solution Below)

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Detailed Solution

${NH}_{4} Cl$ is acidic while $NaCN$ is basic. So, the pH of 0.1 M solution of the salts increases in the order :

$HCl < {NH}_{4} Cl < NaCl < NaCN$

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