IIT JEE Questions And Answers :: Gaseous State: part2



IIT JEE : Gaseous State QUESTIONS AND ANSWERS :: part2 : 16 to 20

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

16.Which of the following will not change the r.m.s. if the gas molecules?

Change in temperature
Change in volume at constant T
Change in volume at constant T
Change in number of gas molecules.

17.Which among the following contains Avogadro number of molecules?

36 g of water vapours
49 g of hydrogen sulphate
17 g of ammonia
4.4 g of carbon dioxide.

18.Real gases deviate from ideal behaviour because their molecules

cause repulsive interactions on one another
cause attractive interaction on one another
are polyatomic
do not undergo elastic collisions.

19.Three different gases X, Y, Z of molecular masses 32, 64, 71 were enclosed in a vessel at constant temperature till equilibrium is reached. Which of the following statement is/are true?

Gas X will be at the top of the vessel
Gas Y will be at the top of the vessel
Gas X will be at the bottom and Z will be at the top
Gases will form homogeneous mixture.

20.The van der Waal constant b is equal to

four times the volume of 1 mol of gas
the molecular volume of 1mol of gas
four times the actual volume of molecules contained in 1 mol of gas
twice the molecular volume of 1 mol of gas.

More Gaseous State QUESTIONS AND ANSWERS available in next pages

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