Question

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

(a) On hydrolysis (+) lactose gives equal amount of D(+) glucose and D(+) galactose.

(b) (+) Lactose is a β-glucoside formed by the union of a molecule of D(+) glucose and a molecule of D(+) galactose.

(c) (+) Lactose is a reducing sugar and does not exihibit mutarotation.

(d) (+) Lactose, C₂H₂₂O₁₁ contains 8-OH groups

Answer 1

Correct option(c) (+) Lactose is a reducing sugar and does not exihibit mutarotation.

Explanation:

(+) Lactose is a reducing sugar and all reducing sugar shows mutarotation.