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Question

Question: Which reagent is used to convert glucose into saccharic acid ?...

Which reagent is used to convert glucose into saccharic acid ?

A

Br2/H2OBr_{2}/H_{2}O

B

Nitric acid

C

Alkaline solutions of iodine

D

Ammonium hydroxide

Answer

Nitric acid

Explanation

Solution

With strong oxidizing agent like concentrated nitric acid, the primary alcoholic group is oxidized to carboxyl group to form saccharic acid.

CH2OH(CHOH)4CHO+3[O]NHO3OxidationCH_{2}OH(CHOH)_{4}CHO + 3\lbrack O\rbrack\underset{Oxidation}{\overset{\quad NHO_{3}\quad}{\rightarrow}}

HOOC(CHOH)4COOHSaccharicacidHOOC\underset{Saccharicacid}{(CHOH)_{4}COOH}