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Gases posses characteristic critical tem...

Gases posses characteristic critical temperature which depends upon the magnitude of intermolecular forces between the particles. Following are the critical temperatures of some gases.
`{:("Gases",H_(2),He,O_(2),N_(2)),("Critical temperature in kelvin",33.2,5.3,154.3,126):}`
From the above data what would be the order of liquefaction of these gases ? Start writing the order from the gas liquefying first

A

`H_2, He , O_2 , N_2`

B

`He, O_2, H_2, N_2`

C

`N_2, O_2, He, H_2`

D

`O_2, N_2, H_2, He`

Text Solution

Verified by Experts

The correct Answer is:
D
Higher the critical temperature, more easily is the gas liquefied. Hence, order of liquefaction starting with the gas liquefying first will be `O_2, N_2, H_2, He`
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