Aldehydes Ketones Question 72
Question: Acetaldehyde on warming with Fehling solution gives a red precipitate of
Options:
A) Elemental copper
B) Cuprous oxide
C) Cupric oxide
D) Mixture of all of the above
Show Answer
Answer:
Correct Answer: B
Solution:
[b] Aldehyde on warming with Fehling solution give a red precipitate of cuprous oxide. $ RCHO+2Cu{{(OH)}_2}+NaOH\to RCOONa+\underset{redppt}{\mathop{Cu_2O}}+3H_2O $
BETA
