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The critical temperatures of O(2),N(2),H...

The critical temperatures of `O_(2),N_(2),H_(2)` and `CO_(2)` are `154.3K,126K,33.2K,` and `304K` respectively. The extent of adsorption on tungsten is highest in case of

A

`H_2`

B

`N_2`

C

`O_2`

D

`CO_2`

Text Solution

Verified by Experts

The correct Answer is:
D
More easily liquefiable gases, (i.e., higher critical temperature) are readily adsorbed, as vander Waal.s forces are stronger near the critical temperatures. So, adsorption of `CO_2 ` will be highest.
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