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  • Acetic acid exists in benzene solution in the dimetric form, in an actual experiment the Van't Hoff factor was found to be <img alt="0.54" src="https://entrancecorner.oncodecogs.com/gif.latex?0

Acetic acid exists in benzene solution in the dimetric form, in an actual experiment the Van't Hoff factor was found to be 0.54. Then degree of association of acetic acid is

Option: 1

0.92


Option: 2

0.96


Option: 3

0.94


Option: 4

1.87


Answers (1)

best_answer

\begin{matrix}2 \mathrm{CH}_3 \mathrm{COOH}& \rightleftharpoons &\left(\mathrm{CH}_3 \mathrm{COOH}\right)_2 \\ 1 & & 0 \\ 1-\alpha & & \alpha /2 \end{matrix}

i =1-\frac{\alpha}{2}
\alpha =2 \times(1-i)
\alpha =2 \times(1-0.54)
\alpha =0.92

Posted by

manish painkra

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