Solutions QUESTIONS AND ANSWERS

IIT JEE : Solutions QUESTIONS AND ANSWERS :: part2 : 11 to 15

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

11.The vapour pressure of water at room temperature is 23.8 mm Hg. The vapour pressure of an aqueous solution of mole fraction 0.1 is equal to

11.22 mm Hg

21.42 mm Hg

24.2 mm Hg

11.42 mm Hg

12.The osmotic pressure of a solution of benzoic acid in benzene is found to be half the expected value. This is due to the

association of benzoic acid molecules forming dimmers

wrong method of measurement of osmotic pressure

limitation of the theory of osmotic pressure

ionization of benzoic acid

13.The cryoscopic constant for water is

1.86

2.86

1.58

3.95

14.In dilute solution the depression in freezing point is directly proportional to

morality

normality

molality

boiling point

15.Osmotic pressure of blood is 7.65 atm at 310 K. An aqueous solution of glucose that will be isotonic with blood will be

2.71 gm

54.3%

5.43%

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