Question:
When acetaldehyde is heated with Fehling solution, a red precipitate is formed. Which of the following is that?
When acetaldehyde is heated with Fehling solution, a red precipitate is formed. Which of the following is that?
Updated On: Jul 28, 2022
- $ Cu_{2}O $
- $Cu$
- $CuO$
- $CuSO_{4}$
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The Correct Option is A
Solution and Explanation
When acetaldehyde is heated with Fehling solution, a red precipitate of $Cu _{2} O$ is obtained.
$CH _{3} CHO +2 Cu ( OH )_{2}+ NaOH \longrightarrow$
$CH _{3} COONa + \underset{\text{red}}{Cu _{2}} O \downarrow+3 H _{2} O$
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