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Consider following figure and answer the...

Consider following figure and answer the questions at the end of it. Figure explains elevation in boiling point when a non-volatile solute is added to a solvent.

Variation of vapour pressure with temperature and showing elevation in boiling point.
Given that `DeltaT_(b)` is the elevation in boiling point of the solvent in a solution of molality m then `underset(mto0)(Lt)((DeltaT_(b))/(m))` is equal to

A

`K_(b)` (molal elevation constant)

B

`L_(y)` (latent heat of vaporization)

C

`DeltaS` (entropy change)

D

x (mole fraction of solute)

Text Solution

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The correct Answer is:
A
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