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Which of the following is an exothermic ...

Which of the following is an exothermic reaction?

A

`N_(2(g))+O_(2(g))+180.8kJrarr2NO_((g))`

B

`N_(2(g))+3H_(2(g))-92k.Jrarr2NH_(3(g))`

C

`C_(("graphite"))+H_(2)O_((g))rarrCO_((g))+H_(2(g))-131.3kJ`

D

`C_(("graphite"))+2S_((s))rarrCS_(2(l))-919kJ`

Text Solution

Verified by Experts

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