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Gaseous State QUESTIONS AND ANSWERS

IIT JEE : Gaseous State QUESTIONS AND ANSWERS :: part2 : 26 to 30

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

26.Which of the following is not the postulate of the kinetic theory of gases?

gas molecules are in a permanent state of random motion

pressure of gas is due to molecular impacts on the walls

the molecules are perfectly elastic

the molecular collisions are elastic.

27.A balloon containing methane is pricked with a sharp needle and quickly plunged into a tank of hydrogen at same pressure. After sometime, the balloon will

get enlarged

get collapsed

remain as before

reduce to half of its original size.

28.Open end manometer was connected to gas chamber. The Hg level stood 15 mm higher in the open end as compared to the end connected to gas chamber. If the atmospheric pressure is 101.3 kPa. The gas pressure in kPa is

103.3

101.3

94.3

115.3.

29.A real gas which obeys van der Waals equation will approach ideal behaviour if

a is large, b is small

a is small, b is large

a and b both are large

a, b are negligibly small.

More Gaseous State QUESTIONS AND ANSWERS available in next pages