Question

Write the structure of product when D-Glucose reacts with the following : (any three) (a) HI (b) Conc. HNO₃ (c) Br₂ water (d) HCN

Carbohydrates are optically active polyhydroxy aldehydes and ketones. They are also called saccharides. All those carbohydrates which reduce Fehling's solution and Tollen's reagent are referred to as reducing sugars. Glucose, the most important source of energy for mammals, is obtained by the hydrolysis of starch. Vitamins are accessory food factors required in the diet. Proteins are the polymers of α-amino acids and perform various structural and dynamic functions in the organisms. Deficiency of vitamins leads to many diseases. Answer the following:

Which of the following statements is not true about glucose ?

Give the reaction of glucose with acetic anhydride. Presence of which group is confirmed by this reaction ?