Gaseous State Test

Result

Gaseous State Test - 6

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Weekly Quiz Competition

Question 1
1 / -0

In Vander Waals equation of state of the gas law, the constant ‘b’ is a measure of

A
intermolecular repulsions

B
intermolecular collisions per unit volume

C
Volume occupied by the molecules

D
intermolecular attraction

Solution

In Vander Waals equation ‘b’ is the excluded volume i.e. the volume occupied by the molecules
Question 2
1 / -0

Accroding to thet kinetic theory of gases, in an ideal gas, betweentwo successive colisions a gas molecule travels:

A
in a circular path

B
in a wavy path

C
in a straight line path

D
with an accelerated velocity

Solution

In between two successive collision, no force is acting on the gas molecules. Resultantly it travels with uniform velocity during thsi interval and hence it moves along a straigth line.
Hence, option C is correct.
Question 3
1 / -0

Temperature at which most probable speed of O₂ becomes equal to root mean square speed of N₂ is - [Given: N₂ at 427 ºC]

A
732 K

B
1200 K

C
927 K

D
800 K

Solution

1200 K
Question 4
1 / -0

Which of the following satisfies the greater compressibility of real gas?

A
Z < 1

B
At the higher pressure

C
Above the Boyle’s temperature

D
Lesser the value of ‘‘a’’ but higher value of ‘‘b’’

Solution

Z < 1 shows that the gas has greate compressibility at intermediate pressure and all reactive forces are dominant, higher value of ‘a’ and lower value of ‘b’ above Boyle's temperature it is not possible because Z > 1