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Acetic acid dimerises in benzene solutio...

Acetic acid dimerises in benzene solution.The van't Hoff factor for the dimerisation of acetic acid is 0.8. The % of dimerisation of acetic acid is

A

0.2

B

0.4

C

0.6

D

0.8

Text Solution

Verified by Experts

The correct Answer is:
0.4
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Knowledge Check

  • Freezing point of benzene is 278.4K and heat of fusion of benzene is 10.042 KJ/mol. Acetic acid exists partly as dimer in benzene solution. The freezing point of 0.02mol fraction of acetic acid in benzene is 277.4K. The degree of dimerisation of acetic acid in benzene is

    A
    0.24
    B
    0.72
    C
    0.48
    D
    0.64

  • Acetic acid exist asa dimer in benzene solution. This is due to

    A
    Condensation
    B
    Presence of -COOH group
    C
    Presence of `alpha`-hydrogen
    D
    Hydrogen bonding

  • Read the following paragraph and answer the question given below: Freezing point of benzene is 278.4K and heat of fusion of benzene is 10.042 KJ/mol. Acetic acid exists partly as dimer in benzene solution. The freezing point of 0.02 mol fraction of acetic acid in benzene is 277.4 K. The degree of dimerisation of acetic acid in benzene is

    A
    `0.24`
    B
    `0.72`
    C
    `0.48`
    D
    `0.64`

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