Question:medium

Which of the following amine has the highest \(pK_b\) value in aqueous phase?

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Mnemonic: High \(pK_b\) = Poor Base. Aniline (Benzenamine) is always a poor base compared to alkyl amines because its electrons are "busy" dancing in the benzene ring (resonance).

Updated On: Jun 24, 2026

Methanamine
N-methylmethanamine
Ethanamine
N-Methylbenzenamine
Benzenamine

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The Correct Option is

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The Correct Option is

Solution and Explanation

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