Question

# TC and Pc of a gas are 400 K and 41 atm respectively. The Vc is:

A
400R41
B
50R41
C
41R41
D
300R41
Solution
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#### The critical temperature is the temperature above which a gas cannot be liquified. It is denoted as Tc.Pc is the Critical pressure, Vc is the critical molar volumeVc=3b (from Ideal gas law)​and b=RTc8pc=R×4008×41=50R41 Vc=3×50R41=150R41Hence, option B is correct.

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