$C_2$-epimer of $D$-Glucose is

Which of the following does not reduce Benedict's solution?

Write the reactions of $D-Glucose$ which cannot be explained by its open-chain structure. How can the cyclic structure of glucose explain these reactions?

Which of the following is the correct structure of $L$-fructose?

$A$ disaccharide $X$ cannot be oxidised by bromine water. The acid hydrolysis of $X$ leads to a laevorotatory solution. The disaccharide $X$ is

The letters $'D'$ or $'L'$ before the name of a stereoisomer of a compound indicate the correlation of configuration of that particular stereoisomer. This refers to their relation with one of the isomers of glyceraldehyde. Predict whether the following compound has $'D'$ or $'L'$ configuration.