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The pKa value is equivalent to ________(a) logKa(b) -logKa(c) logKeq(d) -logKeqThis question was posed to me in an internship interview.The question is from Carboxylic Acids Chemical Reactions topic in section Aldehydes, Ketones and Carboxylic Acids of Chemistry – Class 12

Answer»

Correct ANSWER is (b) -logKa

To explain: KEQ is the equilibrium constant of a REACTION and Ka is the ACID dissociation constant which is Keq[H2O]. The strength of an acid is generally by its pKa value rather than its Ka value.



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