Question:
An acid HA ionises as
$\mathrm{HA} \rightleftharpoons \mathrm{H}^{+}+\mathrm{A}^{-}$
The $\mathrm{pH}$ of $1.0 \mathrm{M}$ solution is 5 . Its dissociation constant would be :-
Correct Option: 1
Solution:
An acid HA ionises as
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