AIPMT PRELIMS2012Chemistry-Carbohydrates
AIPMT PRELIMS 2012 Chemistry Disaccharides MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Which one of the following sets of monosaccharides forms sucrose?
A
α-D⁻Glucopyranose and β-D⁻fructopyranose
B
α-D⁻Galactopyranose and α-D⁻Glucopyranose
C
α-D⁻Glucopyranose and β-D⁻fructofuranose
D
β-D⁻Glucopyranose and α-D⁻fructofuranose
Correct Answer
Option C
Detailed Explanation
Sucrose is composed of α-D⁻Glucopyranose and β-D⁻fructofuranose. The glucose unit is in the pyranose form, while the fructose unit is in the furanose form.
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