Question

(vii) Name the reagent which on reaction with glucose confirms
the presence of five hydroxyl groups in glucose :
(a) Hydroxyl amine
(b) Bromine water
(c) Dilute nitric acid
(d) Acetic anhydride​

Answer 1

Explanation:

Presence of five hydroxyl (-OH) groups: On acetylation with acetic anhydride, glucose gives a pentaacetate. This confirms that glucosecontains five -OH groups.