Which of the following is incorrect ?

Options

A. `FeCl_(3)` is used in the detection of phenols
B. Fehling solution is used in the detection of glucose
C. Tollen's reagent is used in detection of unsaturation
D. `NaHSO_(3)` is used in the dtection of carbonyl compounds.

Answer

C

Explanation

Tollen's reagent is not used in the detection of unsaturation.