Question
Among the following amines, the strongest Bronsted base is __________.
✓
Answer
Explanation:
Aniline is weaker base than NH3 due to delocalization of lone pair of electrons on the N-atom into the benzene ring. Pyrrole (c) is not at all basic because the lone pair of electrons on N-atom is donated towards aromatic sextet formation. Therefore, pyrrolidine (d) has a strong tendency to accept a proton and is hence, the strongest base.
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