Which of the following are reducing sugars ?
`{:("Sucrose","Maltose","Lactose","Fructose"),("(A)","(B)","(C )","(D)"):}`

Options

A. A, B, C
B. A, B, D
C. A, C, D
D. B, C, D

Answer

D

Explanation

The species which contain free `-CHO` group are reducing sugars.
(A) Sucrose is a non-reducing sugar.
(B) Maltose is a reducing sugar.
(C) Lactose is a reducing sugar.
(D) Fructose is a reducing sugar.
Hence, option (d) is the correct answer.