Statement I: The molecular mass of acetic acid in benzene is more than the actual value of the solute.Statement II: Molecules of acetic acid dimerise in benzene due to hydrogen bonding.
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a
Statement I and Statement II are true.
b
Statement I is true and statement II is false.
c
Statement I is false and Statement II is true.
d
Statement I and Statement II are false.
answer is A.
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Detailed Solution
acetic acid dimerizes in benzene due to intermolecular hydrogen bonding. Due to this association ,(a) Observed molecularweight of CH3COOH is more than actual molecularweight(b) Observed colligative properties are lesser than expected(I) & (II) are correct