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प्रश्न
Why is elevation of boiling point a colligative property?
उत्तर
Elevation in boiling point is a colligative property, as it depends on the number of solute particles present in a solution.
संबंधित प्रश्न
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?
Derive the relation between the elevation of boiling point and molar mass of solute.
Account for the following :
H2S has lower boiling point than H2O.
Exactly 1 g of urea dissolved in 75 g of water gives a solution that boils at 100.114°C at 760 torrs. The molecular weight of urea is 60.1. The boiling point elevation constant for water is:
People add sodium chloride to water while boiling eggs. This is to ____________.
Which of the following has the lowest boiling point?
AB2 is 10% dissociated in water to A2+ and B−. The boiling point of a 10.0 molal aqueous solution of AB2 is ______°C. (Round off to the Nearest Integer).
[Given: Molal elevation constant of water Kb = 0.5 K kg mol−1 boiling point of pure water = 100°C]
Assertion (A): Elevation in boiling point is a colligative property.
Reason (R): The lowering of vapour pressure of solution causes elevation in boiling point.
Calculate the boiling point elevation for a solution prepared by adding 10 g of MgCl2 to 200 g of water, assuming MgCl2 is completely dissociated.
(Kb for Water = 0.512 K kg mol−1, Molar mass MgCl2 = 95 g mol−1)
