Which salt can be classified as an acid salt?

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Question

(D) An acid salt is a salt that contains at least one replaceable hydrogen atom in its structure,which can dissociate to release $H^{+}$ ions in an aq

Vedclass · Accepted Answer

$Na_2HPO_4$

Vedclass · Answer

(D) An acid salt is a salt that contains at least one replaceable hydrogen atom in its structure,which can dissociate to release $H^{+}$ ions in an aqueous solution.$Na_2HPO_4$ dissociates as follows: $Na_2HPO_4 \rightarrow 2Na^{+} + HPO_4^{2-}$.The $HPO_4^{2-}$ ion can further dissociate: $HPO_4^{2-} \rightleftharpoons H^{+} + PO_4^{3-}$.Since it can release $H^{+}$ ions,$Na_2HPO_4$ is classified as an acid salt.

$A$. $HI$	$(i)$ $3.2 \times 10^9$
$B$. $HF$	$(ii)$ $3.5 \times 10^{-4}$
$C$. $HCl$	$(iii)$ $1.3 \times 10^6$
$D$. $HBr$	$(iv)$ $1.0 \times 10^9$

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Match the given ionisation constant values with the corresponding acids.
$A$. $HI$ $(i)$ $3.2 \times 10^9$
$B$. $HF$ $(ii)$ $3.5 \times 10^{-4}$
$C$. $HCl$ $(iii)$ $1.3 \times 10^6$
$D$. $HBr$ $(iv)$ $1.0 \times 10^9$

The correct match is:

The conjugate base of the strong acid in the reaction $CH_3COOH + HCl \rightleftharpoons Cl^{\Theta} + CH_3COOH_2^{\oplus}$ is:

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