1.

Which are of the following is an exothermic reaction?

Answer»

`N_(2(g)) + O_(2(g)) + 180.8 k.J rarr 2NO_((g))`
`N_(2(g)) + 3H_(2(g)) - 92k.J rarr 2NH_(3(g))`
`C_(("GRAPHITE")) + H_(2)O_((g)) rarr CO_((g)) + H_(2(g)) - 131.3 KJ`
`C_(("graphite")) + 2S_((g))to CS_(2(l)) - 91.9 k.J`

Answer :B


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