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For the following reaction through stage...

For the following reaction through stages I, II and III
`A overset(I)(rarr)B overset(II)(rarr)C overset(III)(rarr)D`
quantity of the product formed (x) varies with temperature (T) as given. Select the correct statement.

A

Stages I and III are are endothermic but II is exothermic

B

Stages I and II are exothermic but II is endothermic

C

Stages II and III are exothermic but I is endothermic

D

Stage I is exothermic but stage II and III are endothermic

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The correct Answer is:
A
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