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>Equilibrium
>Hydrolysis of Salts and the pH of their Solutions
> $Consider the following salt...$

chemistry

Consider the following salts. Which one(s) when dissolved in water will produce a acid solution?
$1 . R b C l O_{4} 2 . N a N O_{3} 3 . N H_{4} C l 4 . N a C l$

A

$1$ and $3$

B

only $3$

C

$1$ and $2$

D

$3$ and $4$

Answer

Correct option is

B

only $3$

Salt of strong acid and weak base produces acidic solution
So, $N H_{4} C l \Rightarrow (N H_{4} O H + H C l)$
$S . A$
others are made from $(S . A + S . B)$ $\Rightarrow$ Neutral in $H_{2} O$
Thus, only $N H_{4} C l$ will produce acid solution.

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