Chemistry - Biomolecules Question with Solution | TestHub

On hydrolysis (+) Lactose gives equal amount of $\mathrm{D}(+)$ glucose and $\mathrm{D}(+)$ galactose.

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

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

$(+)$ Lactose, ${\mathrm{C}}_{12}{\mathrm{H}}_{22}{\mathrm{O}}_{11}$ contains $8-\mathrm{OH}$ groups.