Acid-catalysed hydrolysis of ester: rate = K[H+][ester] = K'[ester]. If acid concentration is doubled at constant ester concentration: 1. K is doubled. 2. K' is doubled. 3. Rate is doubled. 4. Unaffec

Question

Acid-catalysed hydrolysis of ester: rate = K[H+][ester] = K'[ester]. If acid concentration is doubled at constant ester concentration: 1. K is doubled. 2. K' is doubled. 3. Rate is doubled. 4. Unaffected by temperature. Which is correct?

Prashant Kotian · Accepted Answer

Correct answer: B. K' = K[H+]; doubling [H+] doubles K' (2 correct). Rate = K'[ester]; doubled K' doubles rate (3 correct). K (second-order constant) is independent of concentration (1 incorrect).

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