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The heat of formation of CO(g) and CO 2...

The heat of formation of CO(g) and CO 2 ​ (g) are ΔH=−110 and ΔH=−393kJmmol −1 respectively. What is the heat of reaction(ΔH) (in kJ mol −1 ) for the following reaction? CO(g)+ 1/2 ​ O 2 ​ (g)→CO 2 ​ (g)

A

`-50 `

B

`-283 `

C

`-150 `

D

`-300 `

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The correct Answer is:
D
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