Which one of the following is the structure of lactose?

Which of the following carbohydrate$(s)$ would not undergo mutarotation in aqueous solution?

$A$ glucose molecule reacts with $X$ number of molecules of phenylhydrazine to yield osazone. The value of $X$ is

Cellulose is a polymer of

Identify the product $Y$ in the following reaction:
$\text{Maltose}$ $\xrightarrow{\text{Hydrolysis}} X$ $\xrightarrow{\text{dil. HNO}_3 \text{ (excess)}} Y$

Which of the following is not true for glucose?