Question

Which of the following acid has highest tendency to ionise in aqueous solution? 1. HCOOH 2. CH3COOH 3. FCH2COOH 4. BRCH2COOH Ans is 3...Please explain how?

Answer 1

$FCH_{2}COOH$ is has highest tendency to ionise in aqueous solution.
Reason : Fluorine is most electronegative element and it has strong tendency to withdraw electrons from its neighboring group.

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