Which of the following compounds can be detected by Molisch's Test?

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 cone. $${H_2}S{O_4}$$  solution is added carefully along the sides of the test tube. The formation of a violet ring at the junction of two liquids confirms the presence ofa carbohydrate or sugar.