Question

Write reaction that indicates the presence of chogroup in glusose

Answer 1

Glucose reacts with HCNHCN to give a cyanohydrin, or with a schiffs base to give an oxime. This shows the presence of a carbonyl group.

2. Reaction with acetic anhydride (CH3CO)2O(CHX3CO)X2O

Glucose gives a penta ester with acetic anhydride, revealing that it has 5 hydroxyl groups.