Advertisements
Advertisements
Question
Why is elevation of boiling point a colligative property?
Solution
Elevation in boiling point is a colligative property, as it depends on the number of solute particles present in a solution.
RELATED QUESTIONS
8 g of glucose, C6H12O6 (Molar Mass = 180 g mol−1) is dissolved in 1 kg of water in a sauce pan. At what temperature will this solution boil?
(Kb for water = 0.52 K kg mol−1, boiling point of pure water = 373.15 K)
Out of 1 M glucose and 2 M glucose, which one has a higher boiling point and why?
Define the term Colligative properties
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
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?
Assertion (A): Elevation in boiling point is a colligative property.
Reason (R): The lowering of vapour pressure of solution causes elevation in boiling point.
If the molality of a dilute solution is doubled, the value of the molal elevation constant (Kb) will be ______.