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Q 12.8     Which acid of each pair shown here would you expect to be stronger?

        (i)     CH_{3}CO_{2}H or CH_{2}FCO_{2}H

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CH_{2}FCO_{2}H is stronger than CH_{3}COOH  due to -I effect of Fluorine decreases the electron density at OH bond, which makes it easier to lose proton (H^{+}). The conjugate base of CH_{2}FCO_{2}^{-} is more stable than CH_{3}COO^{-}.

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manish

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