Q. Which of the following aldehydes give red precipitated with Fehling solution?
A) Benzaldehyde
B) Salicylaldehyde
C) Acetaldehyde
D) None of these
Explanation
(c)
Only aliphatic aldehydes give red ppt of $Cu_{2}O$ with Fehling solution.
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$\therefore$Only acetaldehyde gives red ppt. with Fehling solution.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.