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If the solution boils at a temperature T...

If the solution boils at a temperature `T_1` and solvent at a temperature `T_2` the elevation of boiling point is given by:

A

`T_(1)+T_(2)`

B

`T_(1)-T_(2)`

C

`T_(2)-T_(1)`

D

`T_(1) div T_(2)`

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The correct Answer is:
B
Boiling Point Elevation
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Elevation in boiling point

Elevation Of Boiling Point|Summary

For a dilute solution containing a nonvolatile solute, the molar mass of solute evaluated from the elevation of boiling point is given by the experssion:

Boiling point elevation is

The molal elevation constant is the ratio of the elevation in boiling point to :

Statement-1 : In binary ideal solution more volatile component boils at less temperature and less volatile component boils lat high temperature than their normal boiling point of pure component. Statement-2 : For any composition, mixture boils at temperature in between their normal boiling point temperature of pure component.

Figure explains elevation in boiling point when a non-volatile solute is added to a solvent. Variation of vapour pressure with temperaure and elevation in boiling point is marked. Given that DeltaT_(b) is the elevation in boiling point of the solvent in a solution of molarity m then lim_(m rarr 0) ((Delta T_(b))/(m)) is equal to:

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