Statement I : Boiling point of dimethyl ether is lesser than that of ethanol Statement II : Molecular weight of dimethyl ether is lesser than Ethanol
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a
Statement I is correct and Statement II is incorrect
b
Statement I is incorrect and Statement II is correct
c
Both statements are correct
d
Both statements are incorrect
answer is A.
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Detailed Solution
(I)Molecules of ethanol involve in inter molecular H - bonding.Association leads to increased boiling point.No H-bonding in dimethyl ether.(II) Molar mass of both compounds is same (C2H6O = 46g)