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At t^@C temperature, the observed vapour...

At `t^@`C temperature, the observed vapour density of A is 17.5 for the reaction `2A_((g)) hArr ƒ B_((g)) + 2C_((g))`. If molecular weight of A is 48, then the percentage dissociation of A will be :-

A

`70.27%`

B

`74.28%`

C

`37.14%`

D

`85.71%`

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The correct Answer is:
C
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