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Question
Which acid of the following pair would you expect to be stronger?
F−CH2−COOH or CH3−COOH
Solution
Among F−CH2−COOH and CH3−COOH, F−CH2−COOH is stronger due to the presence of the electron-withdrawing group (–F). As fluorine (halogens) is the most electronegative element, electronegativity makes it stronger than acetic acid.
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