Advertisements
Advertisements
प्रश्न
Assertion (A): Elevation in boiling point is a colligative property.
Reason (R): The lowering of vapour pressure of solution causes elevation in boiling point.
विकल्प
Both (A) and (R) are true and (R) is the correct explanation of (A).
Both (A) and (R) are true, but (R) is not the correct explanation of (A).
(A) is true, but (R) is false.
(A) is false, but (R) is true.
Advertisements
उत्तर
Both (A) and (R) are true and (R) is the correct explanation of (A).
Explanation:
The boiling point of a solution rises as its vapour pressure falls. As a result, an increase in boiling point is a colligative feature.
APPEARS IN
संबंधित प्रश्न
Define the following term:
Molal elevation constant (Kb)
Account for the following :
H2S has lower boiling point than H2O.
Arrange the following in increasing order of boiling points:
(CH3)3 N, C2 H5 OH, C2 H5 NH2
People add sodium chloride to water while boiling eggs. This is to ____________.
Which of the following aqueous solutions should have the highest boiling point?
Which of the following has the lowest boiling point?
Why is it not possible to obtain pure ethanol by fractional distillation? What general name is given to binary mixtures which show deviation from Raoult’s law and whose components cannot be separated by fractional distillation. How many types of such mixtures are there?
Molal elevation of boiling point constant is the elevation of boiling point produced by ______
If the molality of a dilute solution is doubled, the value of the molal elevation constant (Kb) will be ______.
Which of the following aqueous solutions will exhibit the highest boiling point?
