Which of the following compounds can be detected by Molisch's Test ?
Answer»
Nitro compounds Sugars Amines Primaryalcohols
Solution :Molisch's Test: This is a general test for carbohydrates. ONE or two drops of alcoholic solution of `alpha`-naphthol is added to 2 ml GLUCOSE solution. 1 ml of conc. `H_2SO_4`solution is added carefully along the sides of the testtube. The formation of a violet ring at the junction of two LIQUIDS confirms the presence of a carbohydrate or sugar.