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
C. aldehyde group in glucose
D. primary alcoholic group in glucose

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1 Answers

Correct Answer - C
Glucose on oxidation with bromine water yields gluconic acid. This reaction confirms the presence of aldehyde group in glucose.
`{:(" "CHO,," "COOH),(underset|overset|(" "(CHOH)_4)+[O],overset(Br_2-H_2O)to,underset|overset|(" "(CHOH)_4)),(underset" Glucose"(" "CH_2OH),,underset" Gluconic acid"(" "CH_2OH)):}`
Here, `Br_2-H_2O` act as an oxidising agent and led to the oxidation of glucose into gluconic acid

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