alleryAromatic amines are weaker bases than ammonia because the aryl group is:
AElectron releasing
BElectron neutralising
CElectron generating
DElectron withdrawing
Answer & Solution
Correct answer: D. Electron withdrawing
1. The lone pair goes into conjugation with the ring.
2. It is then less available to take a proton.
3. The aryl group pulls electron density away.
_Source: syllabus Chemistry Part 2, Unit 9 'Amines'_
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