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Given that `C+O_(2) rarr CO_(2), Delta H^(@) = - x kJ`
`2CO+ O_(2) rarr 2CO_(2) ,Delta H ^(@) = - y kJ`
The enthalpy of formation of carbon monoxide will be
A. `y - 2x`
B. `( 2x-y)/(2)`
C. `(y-2x)/(2)`
D. `2x-y`

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Correct Answer - c
Aim`: C+ (1)/(2)O_(2) rarrCO,`Eqn,`(i) - (1)/(2) Eqn. (ii). `

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