AIPMT PRELIMS2011Chemistry-Biomolecules
AIPMT PRELIMS 2011 Chemistry Carbohydrates MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Which one of the following statements is not true regarding (+) Lactose?
A
(+) Lactose, C₁₂H₂₂O₁₁ contains⁸⁻OH groups
B
On hydrolysis (+) Lactose gives equal amount of D(+) glucose and D(+) galactose
C
(+) Lactose is a β-glycoside formed by the union of a molecule of D(+) glucose and a molecule of D(+) galactose
D
(+) Lactose is reducing sugar and does not exhibit mutarotation
Correct Answer
Option D
Detailed Explanation
(+) Lactose is a reducing sugar and it exhibits mutarotation due to the presence of a free anomeric carbon.
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