The critical temperature of carbon dioxide is 304.3 K Which statement is true about the behaviour of carbon dioxide above this temperature?

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Liquid carbon dioxide does not exist above this temperature

Liquid and gaseous carbon dioxide are in equilibrium above this temperature.

Solid, liquid and gaseous carbon dioxide are in equilibrium above this temperature

Carbon dioxide molecules do not exist above this temperature.

answer is C.

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Detailed Solution

At one atmosphere and above that temperature, it is a gas. At one atmosphere, there is no liquid phase.

So, option C is correct.

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