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The values of van der Waals' constant 'a...

The values of van der Waals' constant 'a' for `O_2, N_2, NH_3 " and " CH_4 " are " 1.360, 1.390, 4.170 " and " 2.253 L^2 " atm " mol^(-2)` respectively. The most easily liquefiable gas among these is

A

`O_(2)`

B

`N_(2)`

C

`NH_(3)`

D

`CH_(4)`

Text Solution

Verified by Experts

`(P+(an^(2))/(V^(2)))(V-nb)=nRT`
The van der Waals constant `a` is used in pressure correction, and its value depends upon the intermolarcular forces between the gas molecules The larger the value of `a` for a gas, the more easily that gas can be liquefied.
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