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Van't Hoff Factor

The freezing ...

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The freezing point of benzene decreases by 0.45degreeC when 0.2 g of acetic acid is added to 20g of benzene. if acetic acid associates to form dimer in benzene.%age association of acetic acid in benzene will be? (Kf for benzene =5.12K kg mol)

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Q. The freezing point of benzene decreases by

{0.45}^{0} C

when 0.2 g of acetic acid is added to 20 g of benzene. If acetic acid associates to form a dimer in benzene, percentage association of acetic acid in benzene will be:

[

K_{f}

for benzene = 5.12 K kg

m o l^{- 1}

Q. The freezing pint of benzene decreases by

{0.45}^{o} C

0.2 g

of acetic acid is added to

20 g

of benzene. If acetic acid is associates to form a dimer in benzene, find the percentage association of acetic acid in benzene.

(K_{f} f o r b e n z e n e = 5.12 k g m o l^{- 1})

Q. The freezing point of benzene decreases by

{0.45}^{\circ} C

when 0.2g of acetic acid is added to 20g of benzene. If acetic acid associates to form a dimer in benzene, percentage association of acetic acid in benzene will be
(

K_{f}

for benzene = 5.12K kg

m o l^{- 1}

)

Q. The freezing point of a solution containing

0.2

g of acetic acid in

20.0

g benzene is lowered by

{0.45}^{o} C

. The degree of association of acetic acid in benzene is:

[Assume acetic acid dimerizes in benzene and

K_{f}

= 5.12

^{- 1}

]

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