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Substance A(2)B(g) can undergoes decompo...

Substance `A_(2)B(g)` can undergoes decomposition to form two set of products :

If the molar ratio of `A_(2)(g)` to A(g) is `5 : 3` in a set of product gases, then the energy involved in the decomposition of 1 mole of `A_(2)B(g)` is :

A

`48.75kJ//mol`

B

`43.75kJ//mol`

C

`46.25kJ//mol`

D

`64.2 kJ//mol`

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The correct Answer is:
B
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