NEET2008ChemistryGeneral Organic ChemistryActual
Assertion : Anilinium chloride is more acidic than ammonium chloride. Reason : Anilinium chloride is resonance stabilised.
Options
- AIf both assertion and reason are true and reason is the correct explanation of assertion.
- BIf both assertion and reason are true but reason is not the correct explanation of assertion.
- CIf assertion is true but reason is false.
- DIf both assertion and reason are false.
Correct answer
C. If assertion is true but reason is false.
Step-by-step solution
Aniline is weaker base than ammonium chloride. In NH ₄ Cl or aliphatic amines, nonbonding electron pair of N is localised and is fully available for coordination with a proton. aligned & C ₆ H ₅ NH ₃^ C ₆ H ₅ NH ₂+ H ⁺ & (stronger acid) (weaker-conjugate base) & aligned (stronger acid) (weaker-conjugate base) On the other hand, in aniline and other aromatic amines, the non-bonding electron pair is delocalised into benzene ring by resonance.