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Why does aniline not undergo Friedel-Crafts reactions?
AIt is too weakly activated
BIt is insoluble in benzene
CIt polymerises with RCl
DIt forms a salt with AlCl3
Answer & Solution
Correct answer: D. It forms a salt with AlCl3
The basic amino group bonds to the Lewis acid AlCl3, and the positive nitrogen strongly deactivates the ring.
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