The ultimate product of the hydrolysis of starch is

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

The structures of cyclic $D$-glucoside are given. Determine the moles of $HIO_4$ consumed by $X$ and $Y$ respectively.

What are the functional groups present in the structure of maltose $?$

Which of the following structures represents $\alpha-D$-glucose?

Which reagents can be used to distinguish glucose and fructose?
$I$. Bromine water
$II$. Tollen's reagent
$III$. Schiff's reagent