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Critical temperatures of H(2) O. NH(3) ....

Critical temperatures of `H_(2) O. NH_(3) . CO_(2)` and `O_(2` are 647K , 405K, 304.10 and 154.2 K respecitvely. If the cooling starts from 500K to their critical temperature, the gas that liquifies first is `:`

A

`H_(2) O`

B

`NH_(3)`

C

`CO_(2)`

D

`O_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
The gas having higher critical temperature liquefies first.
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