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Polymerisation of Alkynes

7. acetic aci...

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7. acetic acid dimerisws in benzene solution.the van't Hoff factor for the dimerisation of acetic acid is 0.8 .The % of dimerisation of acetic acid is 1.)20% 2.)40% 3.)60% 4.)80%

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Similar questions

C H_{3} C O O H

is added in 250 g benzene. Acetic acid dimerises in benzene due to hydrogen bond.

K_{b}

of benzene is 2 K

k g m o l^{- 1}

. The boiling point has increased by 6.4 K. % dimerisation of acetic acid is :

Q. Acetic acid dimerises in vapour phase at

437 K

2 C H_{3} C O O H (g) ⇌ {(C H_{3} C O O H)}_{2} (g)

0.0519 g

of acetic acid was found to have

764.3 m m

437 K

in a container of

21.45 {c m}^{3}

. Calculate degree of dimerisation for acetic acid dimerisation.

Q. The freezing point of a solution of acetic acid (mole fraction =

0.02

) in benzene is

277.4 K

. Acetic acid exists partly as a dimer

2 A ⇌ A_{2} .

Determine the equilibrium constant for dimerisation. Freezing point of benzene is

278.4 K

K_{f}

5

.

Q. The freezing point of

0.02 m o l

fraction solution of acetic acid

(A)

(B)

277.4 K

. Acetic acid exists partly as a dimer

2 A = A_{2}

. Calculate equilibrium constant for the dimerisation. Freezing point of benzene is

278.4 K

and its heat of fusion

Δ H_{f}

10.042 k J m o l^{- 1}

Q. The freezing point of

0.02

mole fraction of acetic acid in benzene is

277.4

K. Acetic acid exists partly as dimer. Calculate the equilibrium constant for dimerisation. Freezing point of benzene is

278.4

K and heat of fusion of benzene is

10.042

^{- 1}

.

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