Q. 35.0( 1 Vote )

p-nitrobenzoic ac

Answer :

Nitro group is an electron withdrawing group. The presence of electron withdrawing group on the phenyl of aromatic carboxylic acid increases their acidity. Due to this p-nitrobenzoic acid (pka= 3.41) has lower pka value than benzoic acid (pka= 4.19)

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