The triple point of CO(2) occurs at 5.1 ...

The triple point of `CO_(2)` occurs at `5.1` atm and `-56^(@)C`. Its critical temperature is `31^(@)C`. Solid `CO_(2)` is more dense than liquid `CO_(2)`. Under which combination of pressure and temperature is liquid `CO_(2)` stable at equilibrium?

A

10 atm and `-25^(@)C`

B

`5.1` atm and `-25^(@)C`

C

10 atm `33^(@)C`

D

`5.1` atm and `-100^(@)C`

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The correct Answer is:

A

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