Ethane (molar mass 30.07 a/mol) boils at -88.6 degreeC. Methanol has almost the

Question

Ethane (molar mass 30.07 a/mol) boils at -88.6 degreeC. Methanol has almost the same molar mass (32.04 g/mol), but boils at 65 degreeC. Which of the following BEST explains the reason for the large discrepancy in boiling point? Ethane is ionic and, therefore, has a lower boiling point. Methanol is ionic and, therefore, has a higher boiling point. Both compounds only exhibit van der Waals forces. Both compounds are polar. Methanol is more polar than Ethane. Methanol exhibits hydrogen bonding. Ethane exhibits hydrogen bonding.

Explanation / Answer

ethane --> nonpolar

methanol --> polar + hydrogen bonding

then

choose "methanol exhinbits hydrogen bonding" option

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