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Chemistry
Among the following statements, which is not true for (.+.) lactose?
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Q. Among the following statements, which is not true for $\left(\right.+\left.\right)$ lactose?
NTA Abhyas
NTA Abhyas 2020
A
On hydrolysis, $\left(\right.+\left.\right)$ lactose gives equal amounts of $D\left(\right.+\left.\right)$ glucose and $D\left(\right.+\left.\right)$ galactose.
B
$\left(\right.+\left.\right)$ Lactose is a $\beta -$ glucoside formed by the union of a molecule of $D\left(\right.+\left.\right)$ glucose and a molecule of $D\left(\right.+\left.\right)$ galactose.
C
$\left(\right.+\left.\right)$ Lactose is a reducing sugar and does not exihibit mutarotation.
D
$\left(\right.+\left.\right)$ Lactose, $C_{12}H_{22}O_{11}$ contains $8-OH$ groups.
Solution:
(+)Lactose is a reducing sugar and all reducing sugar shows mutarotation.