MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryCarboxylic Acids and DerivativesChemical Properties of Carboxylic Acid

Which of the following para-substituted benzoic acids is the most acidic

A.Cl – C6H4COOH

B.NO2 – C6H4COOH✓ Correct

C.HO – C6H4 – COOH

D.CH3 – C6H4 – COOH

Explanation

Here G can be: G = Cl, NO2, OH, CH3 If in a group electron withdrawing group is present then it will increase the acidic character. Hence the correct answer is option (b)

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