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NEET
Exam
NEET
Subject
Chemistry
Chapter
Biomolecules

NEET · Chemistry · Biomolecules

Why is lactose considered a reducing sugar?

Why is lactose considered a reducing sugar?

Options

  1. AIt contains an aldehyde group at C-1 of galactose.
  2. BIt contains an aldehyde group at C-4 of glucose.
  3. CIt contains a ketone group at C-2 of galactose.
  4. DIt contains a ketone group at C-3 of glucose.

Correct answer

A. It contains an aldehyde group at C-1 of galactose.

Step-by-step solution

Lactose may produce a free aldehyde group at C-1 of the glucose unit, making it a reducing sugar.
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