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

Question

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

(+) Lactose is a $\beta $-glucoside formed by the union of a molecule of D(+) glucose and a molecule of D(+) galactose.

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

(+) Lactose, C₁₂H₂₂O₁₁ contains 8-OH groups

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