Samples of benzaldehyde and acetaldehyde can be distinguished by using
Answer & explanation
Correct answer: option 3
The correct answer is option 3. Mixture of Fehling solution A + B.
Although acetaldehyde and benzaldehyde are both aldehydes yet aliphatic aldehydes reduceFehling's solution but aromatic aldehydes do not. Thus, acetaldehyde gives a red precipitate of \(Cu_2O\) with Fehling's solution but benzaldehyde does not.
