1

AIEEE 2009

MCQ (Single Correct Answer)

+4

-1

A binary liquid solution is prepared by mixing n-heptane and ethanol. Which one of the following
statements is correct regarding the behaviour of the solution ?

2

AIEEE 2009

MCQ (Single Correct Answer)

+4

-1

Two liquids X and Y form an ideal solution. At 300K, vapour pressure of the solution containing 1 mol
of X and 3 mol of Y is 550 mm Hg. At the same temperature, if 1 mol of Y is further added to this
solution, vapour pressure of the solution increases by 10 mm Hg. Vapour pressure (in mm Hg) of X
and Y in their pure states will be, respectively :

3

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)4

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

Number in Brackets after Paper Indicates No. of Questions

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