IIT JEE Questions And Answers :: Solutions: part2



IIT JEE : Solutions QUESTIONS AND ANSWERS :: part2 : 6 to 10

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

6.Acetic acid exists as dimers in benzene, if on dissolving 1.65 gm of acetic acid in 100 gm of benzene the Vant Hoff factor i comes out to be 0.508 then extent of association of acetic acid in benzene is

205%
95%
98.3%
20%

7.The vapour pressure of pure benzene at 298 K is 97.0 mm Hg. The vapour pressure of solution containing 10.0 gm of napthalene (mol. wt. 128) in 100 gm of benzene at 398 K will be

79.5 mm Hg
91.43 mm Hg
81.45 mm Hg
66.5 mm Hg

8.Raoults law for solutions containing non-volatile solute is concerned with lowering of

boiling point
vapour pressure
osmotic pressure
melting point

9.A colligative property depends upon

number of particles in solution
number of molecules in solution
number of ions of solute
None of the above

10.An aqueous solution containing 6 g of urea in 500 ml of solution has a density equal to 1.052. If the molecular mass of urea is 60, then the molality of solution is

0.192
0.96
0.200
2.00

More Solutions QUESTIONS AND ANSWERS available in next pages

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