Chemistry-(general)
NEET Chemistry (general) Assertion Reason Question
Type: Assertion Reason-assertion-Easy-Class 12
Assertion (A): Lactose is a reducing sugar. | Reason (R): Lactose is composed of b-D-galactose and b-D-glucose linked by a glycosidic bond between C1 of galactose and C4 of glucose.
A
Both A and R are true and R is the correct explanation of A.
B
Both A and R are true but R is not the correct explanation of A.
C
A is true but R is false.
D
A is false.
Correct Answer
Option A
Detailed Explanation
Lactose is a reducing sugar because it can form a free aldehyde group at the C-1 position of the glucose unit, and the reason correctly explains the linkage of lactose enabling this property.
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