Q. 95.0( 5 Votes )

How do you conver

Answer :

(a)

(b)






OR


(a) As –COOH group present is an electron withdrawing group, and thus its electron withdrawing nature makes the aromatic ring electron deficient and secondly the catalyst aluminium chloride gas bonded to the carboxyl group.


(b) pKavalue of 4-nitrobenzoic acid is lower than that of benzoic acid because 4- nitro benzoic acid is more acidic than the benzoic acid. The -NO2 being an electron withdrawing group withdraw electron towards itself resulting in ease of carboxylic proton release, hence increasing the stability



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