Question

Compound $A$ gives $D$-Galactose and $D$-Glucose on hydrolysis. The compound $A$ is :

• A. Amylose
• B. Sucrose
• C. Maltose
• D. Lactose

Answer 1

Answer: (D)

Lactose : It is a disaccharide of $\beta -D$-Galactose and $\beta -D$-Glucose with $C_1$ of galactose and $C_4$ of glucose link.
Lactose : $\beta$-D-Galactose $+\beta -$ D-Glucose