Glucose on oxidation with bromine water yields gluconic acid. This reaction confirms the presence of

Options

A. six carbon atoms linked in straight chain
B. secondary alcoholic group in glucose
C. aldehyde group in glucose
D. primary alcoholic group in glucose

Answer

C

Explanation

Glucose on oxidation with bromine water yields gluconic acid. This reaction confirms the presence of aldehyde group in glucose.

Here, Br,-H,0 act as an oxidising agent and led to the oxidation of glucose into gluconic acid.