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In exothermic reaction...

In exothermic reaction

A

`H_(2(g)) + Cl_(2(g)) to 2HCl_((g)) , DeltaH = -184.6 KJ`

B

`N_(2(g)) + O_(2(g)) to 2NO_((g)) , Delta H = +180.8 KJ`

C

`C_(("graphite")) + H_(2)O_((g)) rarr CO_(2) + H_(2(g)) - 131.4 KJ`

D

`C_(("graphite")) + 2S_((g)) + 91.9 KJ to CS_(2(l))`

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The correct Answer is:
A
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