Biomolecules Question 44

Question: Which of the following does not show any reducing test of aldehyde

[CPMT 1996; Orissa JEE 2004]

Options:

A) Sucrose

B) Fructose

C) Maltose

D) Lactose

Show Answer

Answer:

Correct Answer: A

Solution:

In sucrose the two monosaccharide units joined by a-1, 2 glycoside bond. Since sucrose does not have hemiacetal carbon. Therefore it is non- reducing sugar.