Which one of the following statements is not true regarding `( +)` Lactose ?

Options

A. (+) lactose is a `beta`-glycoside formed by the union of a molecule of D-(+)-glucose and a molecule of D-(+)-galactose
B. (+) lactose is a reducing sugar and does not exhibit mutarotation
C. (+) galactose , `C_(12)H_(22)O_(11)` contains `8O-H` groups
D. On hydrolysis (+) lactose gives equal amount of D-(+) -glucose and D-(+) -galactose

Answer

B

Explanation

Lactose is reducing sugar and all reducing sugars show mutarotation.