Question:
The most acidic carboxylic acid is:
The most acidic carboxylic acid is:
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Less alkyl substitution near COOH increases acidity by stabilizing the conjugate base.
Updated On: Jun 4, 2025
- Benzoic acid
- Phenylacetic acid
- Formic acid (HCOOH)
- Acetic acid (CH$_3$COOH)
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The Correct Option is C
Solution and Explanation
Formic acid has no electron-donating group to destabilize the carboxylate anion.
In contrast, CH$_3$ in acetic acid and benzyl groups in others are electron-donating, decreasing acidity.
In contrast, CH$_3$ in acetic acid and benzyl groups in others are electron-donating, decreasing acidity.
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