The boiling point of ethyl alcohol is much higher than that of dimethyl ether and C_2H_5SH, though both have the same molecular weight as ethanol. The reason for this is

JEE Main Chemistry question

The boiling point of ethyl alcohol is much higher than that of dimethyl ether and , though both have the same molecular weight as ethanol. The reason for this is

(A)Ether is insoluble in water
(B)Methyl groups are attached to oxygen in ether
(C)The dipole moment of ethyl alcohol is less
(D)Ethyl alcohol shows hydrogen bondingCorrect

Answer: (D)

Solution

Ethanol's group allows extensive intermolecular hydrogen bonding between molecules, which dimethyl ether (no O–H) and ethanethiol (weaker S–H hydrogen

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Question ID VK-148901