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The boiling point of 0.2 mol kg^(-1) sol...

The boiling point of 0.2 mol `kg^(-1)` solution of X in water is greater than equimolal solution of Y in water. Which one of the following statements is true in this case ?

A

Molecular mass of X is greater than the molecular mass of Y.

B

Molecular mass of X is less than the molecular mass of Y.

C

Y undergoes dissociation in water while X undergoes no change.

D

X undergoes dissociation in water.

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The correct Answer is:
D
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