1

AIEEE 2008

MCQ (Single Correct Answer)

+4

-1

The vapour pressure of water at 20

^{o}C is 17.5 mm Hg. If 18 g of glucose (C_{6}H_{12}O_{6}) is added to 178.2 g of water at 20^{o}C, the vapour pressure of the resulting solution will be2

AIEEE 2008

MCQ (Single Correct Answer)

+4

-1

At 80

^{o}C, the vapour pressure of pure liquid ‘A’ is 520 mm Hg and that of pure liquid ‘B’ is 1000 mm Hg. If a mixture solution of ‘A’ and ‘B’ boils at 80^{o}C and 1 atm pressure, the amount of ‘A’ in the mixture is (1 atm = 760 mm Hg)3

AIEEE 2007

MCQ (Single Correct Answer)

+4

-1

A 5.25 % solution of a substance is isotonic with a 1.5% solution of urea (molar mass = 60 g mol

^{−1}) in the same solvent. If the densities of both the solutions are assumed to be equal to 1.0 g cm^{−3}, molar mass of the substance will be4

AIEEE 2007

MCQ (Single Correct Answer)

+4

-1

A mixture of ethyl alcohol and propyl alcohol has a vapour pressure of 290 mm at 300 K. The vapour
pressure of propyl alcohol is 200 mm. If the mole fraction of ethyl alcohol is 0.6, its vapour pressure
(in mm) at the same temperature will be

Questions Asked from Solutions (MCQ (Single Correct Answer))

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