When $1 \ mol$ of aniline hydrochloride is dissolved in $99.2 \ L$ of water,the degree of hydrolysis is $4.88 \%$. Calculate the hydrolysis constant $(K_h)$.

  • A
    $5.1 \times 10^{-5}$
  • B
    $3.1 \times 10^{-3}$
  • C
    $2.4 \times 10^{-5}$
  • D
    $1.7 \times 10^{-6}$

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Which salt from the following forms an aqueous solution having $pH$ less than $7$?

The degree of hydrolysis in hydrolytic equilibrium $A^{-} + H_2O \rightleftharpoons HA + OH^{-}$ at salt concentration of $0.001 \ M$ is $(K_a = 1 \times 10^{-5})$

Assertion $(A)$: The aqueous solution of $CH_3COONa$ is alkaline in nature.
Reason $(R)$: Acetate ion undergoes anionic hydrolysis.
The correct answer is

$pH$ of a solution obtained by mixing equal volume of $0.2 \ M \ NaOH$ and $0.2 \ M \ CH_3COOH$ $(K_a = 10^{-5})$ is

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Equimolar solutions of the following substances were prepared separately. Which one of these will record the highest $pH$ value?

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