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Critical temperature for carbon dioxide ...

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

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Higher the critical temperature, more easily the gas can be liquiefied i.e. greater are then intermolecular forces of attraction. Hence, `CO_(2)` has stronger intermolecular forces than `CH_(4)`
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