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The b.p. of 0.2 mol kg^-1 solution of x ...

The b.p. of 0.2 mol `kg^-1` solution of x in `H_2O` is greater than equimolal solution for y in `H_2O`. Which one of the following statements is true ?

A

y is undergoing dissociation in `H_2O` while x undergoes no change

B

x is undergoing dissociation in `H_2O` while y undergoes no change

C

molecular mass of x is greater than molecular mass of y

D

molecular mass of x is less than the molecular mass of y

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The correct Answer is:
B
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