Assertion (A) In aqueous solution, amino acids exist in dipolar ion form.

Reason (R) Most of the naturally occurring amino acids have $L$-configuration.

The correct option among the following is

$$ \text { Consider the following structures } $$

Which of the pairs represent $D$ and $L$-fructose, respectively?

Assertion (A) Both glucose and fructose have the same $D$-configuration.

Reason (R) Both glucose and fructose are dextrorotatory.

The correct option among the following is

The amount of sucrose needed to produce 1 mole of glucose using acid hydrolysis is