Q20 / 150 · MHT CET 2016 · Chemistry

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

A
Six carbon atoms linked in straight chain
B
Secondary alcoholic group in glucose
Correct answer
C
Aldehyde group in glucose
D
Primary alcoholic in glucose

Solution

Glucose on oxidation with bromine water yields gluconic acid. This reaction confirms the presence of aldehyde group. Because for the formation of gluconic acid, free aldehyde group must be present.

Hence, the correct answer is option: 'C'.

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