Question -
The boiling point of methanol, water and dimethyl ether are respectively 650C,1000Cand34.50C. Which of the following best explains these wide variations in b.p.?
Options:
A .  The molecular mass increases from water (18) to methanol (32) to diethyl ether (74)
B .  The extent of H-bonding decreases from water to methanol while it is absent in ether
C .  The extent of intramolecular H-bonding decreases from ether to methanol to water
D .  The density of water is 1.00 g ml−1, methanol 0.7914 g ml−1 and that of diethyl ether is 0.7137 g ml−1
Answer: Option B : B Water has strongest hydrogen bond of the three
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