Question

The molecular weight of ethyl alcohol and dimethyl ether are equal but the boiling point of ethyl alcohol is greater than dimethyl ether. It is due to

• A. ether is insoluble in water
• B. methyl group is attached to oxygen in ether
• C. the dipole moment of ethanol is greater
• D. ethanol has H-bond

Answer 1

Answer: (D)

Due to the presence of intermolecular H-bonding the boiling point of ethyl alcohol is greater than dimethyl ether.