A) \[{{\text{H}}_{\text{2}}}\text{O}\]lime
B) \[\text{A}{{\text{g}}^{+}}\]
C) \[\text{N}{{\text{H}}_{\text{3}}}\]
D) none of these
Correct Answer: D
Solution :
Fehlings solution is the solution of \[\text{CuS}{{\text{O}}_{\text{4}}}+\text{NaOH }+\]Rochel salt (sodium potassium tartarate). Aldehydes give red precipitate with Fehlings solution.
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