MHT CET · Chemistry · Ionic Equilibrium
\(\mathrm{NH}_{4} \mathrm{Cl}\) is acidic due to
- A cationic hydrolysis
- B anionic hydrolysis
- C its ionic nature
- D \(\mathrm{pH}>7\)
Answer & Solution
Correct Answer
(A) cationic hydrolysis
Step-by-step Solution
Detailed explanation
\(\mathrm{NH}_{4} \mathrm{Cl}+\mathrm{H}_{2} \mathrm{O} \longrightarrow \mathrm{NH}_{4} \mathrm{OH}+\mathrm{HCl}\)
Or
\(\mathrm{NH}_{4}^{+}+\mathrm{Cl}^{-}+\mathrm{H}_{2} \mathrm{O} \longrightarrow \mathrm{NH}_{4} \mathrm{OH}+\mathrm{H}^{+}+\mathrm{Cl}^{-} \)
\( \text {or } \mathrm{NH}_{4}^{+}+\mathrm{H}_{2} \mathrm{O} \longrightarrow \mathrm{NH}_{4} \mathrm{OH}+\mathrm{H}^{+}\)
cation
Due to the presence of \(\mathrm{H}^{+}\), after cationic hydrolysis, in the solution, the solution of \(\mathrm{NH}_{4} \mathrm{Cl}\) is acidic.
Or
\(\mathrm{NH}_{4}^{+}+\mathrm{Cl}^{-}+\mathrm{H}_{2} \mathrm{O} \longrightarrow \mathrm{NH}_{4} \mathrm{OH}+\mathrm{H}^{+}+\mathrm{Cl}^{-} \)
\( \text {or } \mathrm{NH}_{4}^{+}+\mathrm{H}_{2} \mathrm{O} \longrightarrow \mathrm{NH}_{4} \mathrm{OH}+\mathrm{H}^{+}\)
cation
Due to the presence of \(\mathrm{H}^{+}\), after cationic hydrolysis, in the solution, the solution of \(\mathrm{NH}_{4} \mathrm{Cl}\) is acidic.
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