SELECT * FROM question_mgmt as q WHERE id=3063 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=2 AND subId=9 AND chapterId=54 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED)

Question:

Suggest the name of a Lewis acid other than anhydrous aluminium chloride which can be used during ethylation of benzene.

Answer:

The addition of an ethyl group is done in the ethylation reaction of the benzene ring. Such a reaction is called a Friedel-Craft alkylation reaction. This reaction takes place in the presence of a Lewis acid.

Any Lewis acid like anhydrous FeCl3, SnCl4, BF3 etc. can be used during the ethylation of benzene.


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