A) Elemental copper
B) Cuprous oxide
C) Cupric oxide
D) Mixture of all of the above
Correct Answer: B
Solution :
[b] Aldehyde on warming with Fehling solution give a red precipitate of cuprous oxide. \[RCHO+2Cu{{(OH)}_{2}}+NaOH\to RCOONa+\underset{red\,ppt}{\mathop{C{{u}_{2}}O}}\,+3{{H}_{2}}O\]You need to login to perform this action.
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