MCQ
Which of the following is most basic?
- ADiphenylamine
- BTriphenylamine
- Cp - Nitroaniline
- DBenzylamine
✓
Answer
- Benzylamine
Explanation:
Benzylamine C6H5CH2NH2 is more basic because benzyl group is electron donating group due to +I effect.
So it is able to increase electron density of N of -NH2 group.
Thus due to higher electron density rate of donation of a free pair of electron is increased I.e basic character is higher While phenyl and nitro group are electron withdrawing group so they are able to decrease the electron density of N of −NH2 group. Hence they are less basic.
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