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In the following reaction started only w...

In the following reaction started only with `A_(B), 2A_(B)(g) hArr3A_(2)(g)+A_(4)(g)` mole fraction of `A_(2)` is found to `0.36` at a total pressure of `100 atm` at equilibrium. The mole fraction of `A_(B)(g)` at equlibrium is `:`

A

0.28

B

0.72

C

0.18

D

None of these

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The correct Answer is:
A
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