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Question
Chemistry
Which of the following will not show mutarotation ?
Q. Which of the following will not show mutarotation ?
3619
184
JEE Main
JEE Main 2014
Biomolecules
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A
Maltose
5%
B
Lactose
9%
C
Glucose
14%
D
Sucrose
71%
Solution:
Sucrose does not exhibit mutarotation because the glycosidic bond is between the anomeric carbon of glucose and anomeric carbon of fructose. Hence hemiacetal is not present in sucrose, while it is there in lactose, maltose and glucose.