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Question
Which of the following is the strongest acid?
Options
Fluoroacetic acid
Trifluoroacetic acid
Chloroacetic acid
Difluoroacetic acid
MCQ
Solution
Trifluoroacetic acid
Explanation:
The presence of an electron-withdrawing group (– I) facilitates proton removal by stabilising the remaining carboxylate ion. Furthermore, the more electronegative group has a more electron-withdrawing (– I) nature. As a result, trifluoroacetic acid is a strong acid.
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