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Given that C + O2 rarr CO(2) , DeltaH^@ ...

Given that `C + O_2 rarr CO_(2) , DeltaH^@ = -xkJ`
`2CO + O_2 rarr 2CO_2 , DeltaH^@ = -y kJ`
The enthalpy of formation of carbon monoxide will be

A

`(2x - y)/2`

B

`(y - 2x)/(2)`

C

`2x - y`

D

`y = 2x`

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The correct Answer is:
B
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