Question

Consider the following statements about carbohydrates:
1. Bromine water can be used to differentiate an aldose from a ketose
2. All monosaccharides, whether aldose or ketose, are reducing sugars
3. Osazone formation destroys the configuration about $C-2$ of an aldose, but does not affect the configuration of the rest of the molecule
4. A pair of diastereomeric aldoses which differ only in configuration about $C-2$ is termed as pair of anomers
Which of the above statements are correct?

• A. 1 and 4
• B. 2 and 4
• C. 1, 2 and 3
• D. 2, 3 and 4

Answer 1

Answer: (C)

As starch is a polymer of $\alpha$-glucose so it is correct, while rest are incorrect.