Why aniline is a weak base than cyclohexylamine?

Asked by piyush das | 28th Aug, 2011, 12:00: AM

Expert Answer:

Aniline and cyclohexylamine both hane NH2 group and six carbon ring but the difference in basicity lies in a manner that aniline is a weak base then cyclohexylamine because aniline is an aromatic ring, because of the electron-withdrawing effect of the phenyl group aniline is a weak base.
The unshared ellectron pair of electron on nitrogen atom is present in conjucation with the benzene ring and becomes less available for protonation because of resonance.

Answered by  | 29th Aug, 2011, 04:15: PM

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