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What is the relation between the acidic strength of A and B?

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in Chemistry – Class 12 by (188k points)
What is the relation between the acidic strength of A and B?

(a) A = B

(b) A > B

(c) A < B

(d) A >> B

The question was asked in homework.

The query is from Carboxylic Acids Chemical Reactions in division Aldehydes, Ketones and Carboxylic Acids of Chemistry – Class 12

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Best answer
Correct option is (c) A < B

The best explanation: Compound A has a methoxy group (electron donating) and compound B has nitro group (electron withdrawing). In simple terms, the electron withdrawing groups stabilise the carboxylate ion and strengthen the acid, whereas electron donation groups weaken the acid.

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