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Variation of log(10)K with (1)/(T) is sh...

Variation of `log_(10)K` with `(1)/(T)` is shown by the following graph in which straight line is at `45^(@)` , hence `Delta H^(@)` is:

A

`+ 4.606 cal`

B

`– 4.606 cal`

C

2 cal

D

`– 2cal`

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The correct Answer is:
B
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