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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) rarr 2HCl(g), Delta H = -184.6 KJ`

B

`N_(2(g))+O_(2(g))` , ? `h = 180.8 kJ`

C

`C_(("graphite")) + H_(2)O_((g)) rarr CO_((g))+H_(2(g))-1314 KJ`

D

`C_(("graphite"))+2S_((s))+91.9KJ rarr CS_(2(l))`

Text Solution

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