1.

Following are the structures of `D-(+)-` glucose and `D-(+)-` galactose: Which of the following statement is correct about these compounds? A. Both are components of lactoseB. They are diasteremersC. They are C -4 epimersD. All the above correct

Answer» Correct Answer - D
Lactose is composed of `beta-D` - glucose and `beta - D`- glucose
`D - (+) -` glucose and `D - (+) -` galactose are diasereomers as they are not mirror images of each other. They are epimers because they differ in their configuration only at one carbon atom, `C - 4`.


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