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     EduGorilla 
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    The boiling point of methanol, water and dimethyl ether are respectively 65o C, 100o C and 34.5oC. Which of the following best explains these wide variations in b.p.?

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    1. The molecular mass increases from water (18) to methanol (32) to diethyl ether (74)

    2. The extent of H-bonding decreases from water to methanol while it is absent in ether

    3. The extent of intramolecular H-bonding decreases from ether to methanol to water

    4. The density of water is 1.00 g ml1, methanol 0.7914 g ml1 and that f diethyl ether is 0.7137 g ml1

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