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Critical temperature for carbon dioxide ...

Critical temperature for carbon dioxide and methane are `31.1^@C` and -81.9 respectively. Which of these has stronger intermolecular forces and why?

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We know that higher the value of critical temperature of the gas the more easily it can be liquified which in turn reflects the stronger intermolecular attractive force of attraction . Since the critical temperature of `CO_2` is higher than `CH_4` hence the intermolecular force in `CO_2` are stronger than in methane.
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