JEE Advance - Chemistry (2023 - Paper 2 Online - No. 4)

A disaccharide $\mathbf{X}$ cannot be oxidised by bromine water. The acid hydrolysis of $\mathbf{X}$ leads to a laevorotatory solution. The disaccharide $\mathbf{X}$ is :
JEE Advanced 2023 Paper 2 Online Chemistry - Biomolecules Question 2 English Option 1
JEE Advanced 2023 Paper 2 Online Chemistry - Biomolecules Question 2 English Option 2
JEE Advanced 2023 Paper 2 Online Chemistry - Biomolecules Question 2 English Option 3
JEE Advanced 2023 Paper 2 Online Chemistry - Biomolecules Question 2 English Option 4

Explanation

A and D cannot be oxidised by bromine water as they do not have hemiacetal linkage.

The acid hydrolysis of A leads to a laevorotatory solution.

A is sucrose which is dextrorotatory, on acid hydrolysis gives mixture of α-D-glucose and β-D-fructose, the mixture is laevorotatory

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