Which one of the following statements is not true regarding (+) Lactose
1
(+) Lactose, C12H22O11 contains 8-OH groups
2
On hydrolysis (+) Lactose gives equal amount of D(+) glucose and D(+) galactose
3
(+) Lactose is a β-glycoside formed by the union of a D(+) glucose and a molecule of D(+) galactose
4
(+) Lactose is reducing sugar and does not exhibit mutarotation