Question

The structure of D- glucose is as follows:

(a) Draw the structure of L-glucose. 

(b) Give the reaction of L-glucose with Tollen's reagent.

Answer 1

 (a) The structure of L-glucose can be drawn by reversing the position of H and OH at the second last C-atom of D-glucose given ie,

(b) With Tollen's reagent the terminal -CHO oxidised to -COOH group as