Question:
Which of the following compounds give salt of an acid and alcohol on heating with concentrated KOH?
Which of the following compounds give salt of an acid and alcohol on heating with concentrated KOH?
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Cannizzaro reaction occurs with aldehydes lacking alpha-hydrogens, like formaldehyde, yielding alcohol and acid salts.
Updated On: Jun 3, 2025
- Formaldehyde
- Acetaldehyde
- Acetone
- Acetophenone
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The Correct Option is A
Solution and Explanation
- When heated with concentrated KOH, formaldehyde undergoes the Cannizzaro reaction producing a salt of formic acid (acid) and methanol (alcohol).
- Acetaldehyde, acetone, and acetophenone do not undergo this reaction because acetaldehyde is capable of both oxidation and reduction but acetone and acetophenone are ketones and do not show Cannizzaro reaction.
- Acetaldehyde, acetone, and acetophenone do not undergo this reaction because acetaldehyde is capable of both oxidation and reduction but acetone and acetophenone are ketones and do not show Cannizzaro reaction.
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