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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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