MCQ
The high boiling point of ethanol (78.2°C) compared to dimethyl ether (−23.6°C), though both having the same molecular formula C2H6O, is due to:
- AHydrogen bonding
- BIonic bonding
- Cco-ordinate covalent bonding
- DResonance
Explanation:
The high boiling point of ethanol (78.2°C) compared to dimethyl ether (−23.6°C), though both having the same molecular formula C2H6O, is due to Hydrogen bonding.
Hydrogen bonding is observed when H atom is attached to more electronegative N, F or O atom.
Ethanol molecules are associated due to hydrogen bonding. This results in higher boiling point.
However, hydrogen bonding is not possible in dimethyl ether.
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