A) Heat of combustion of carbon is 110 kJ
B) Reaction is exothermic
C) Reaction needs no initiation
D) All of these are correct
Correct Answer: B
Solution :
[b] \[2C+{{O}_{2}}\to 2CO\]; \[\Delta H=-220\,KJ\] |
This reaction does not represent complete combustion of carbon, hence heat of combustion of carbon will not be equal to \[110\,kJ\]. The negative sign of \[\Delta H\] indicates that this reaction is exothermic. Also, despite being spontaneous reaction, it requires initiation. |
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