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Which of the following is an exothermic ...

Which of the following is an exothermic reaction?

A

`H_(2(g))+Cl_(2(g))rarr2HCl_((g)),DeltaH=-184.6KJ`

B

`N_(2(g))+O_(2(g))rarr2NO_((g)),DeltaH=+180.8KJ`

C

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

D

`C_(("graphite"))+2S_((g))+91.9KJrarrCS_(2(l))`

Text Solution

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The correct Answer is:
A
`DeltaH=-ve,` exothermic
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