MEDIUMMCQ SINGLENEET ChemistryInorganic ChemistryCarboxylic Acids and DerivativesChemical Properties of Carboxylic Acid

Increasing value of the dissociation constant Ka of the given acids is of the order Carboxylic Acid and Its Derivatives

A.I < II < III

B.II < III < I

C.III < II < I

D.I < III < II✓ Correct

Explanation

The a K value tells the ability of the compound to release the proton from the compound. The value of a K of benzoic acid increases when any electron withdrawing group is attached to the benzene ring. Nitro group is stronger electron withdrawing group than the chlorine atom. So, the order will be: I < III < II

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