Identify the correct statement about glucose from the following.

Identify the product obtained in the reaction: Glucose $\xrightarrow{Br_2/H_2O}$ ?

Which of the following is a non-reducing sugar?

The number of chiral carbon atoms present in the open-chain structure of $D-(-)$-fructose is:

The optical rotation of the $\alpha$-form of a pyranose is $+150.7^{\circ}$,that of the $\beta$-form is $+52.8^{\circ}$. In solution,an equilibrium mixture of these anomers has an optical rotation of $+80.2^{\circ}$. The percentage of the $\alpha$-form in the equilibrium mixture is $....... \%$.

Which statement is correct for the given disaccharide?