Home JEE Main - Previous Year Papers JEE MAIN 2021 PAPER -16 How to differentiate between monosaccharides…
JEE Main - Previous Year Papers JEE MAIN 2021 PAPER -16 Single Correct MCQ
Published on: August 13, 2026

How to differentiate between monosaccharides and disaccharides

A
Iodine test
B
Seliwanoff's test
C
Barfoed test
D
Tollen's test

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Text Solution

Verified by Experts
The correct answer is:
C

Barfoed's test distinguishes monosaccharides from disaccharides. In this test, copper acetate in dilute acid is reduced in 30 seconds by monosaccharides whereas disaccharides take several minutes.

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