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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
The amount of gas adsorbed by a solid depends on the nature of gas. In general, more easily liquefiable gases (i.e. gases with higher critical temperature) are readily adsorbed as van der Waals' forces are stronger near critical temperatures.
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