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Considering the following reactions, ...

Considering the following reactions,
`C+(1//2)O_2 rarr CO, Delta H =- 26.4 kcal `
`H_2 + (1//2) O_2 rarr H_2O_((l)) , Delta H =-57.8 kcal `
`Delta H` for the reaction.
`H_2O+ C rarr H_2 + CO` is

A

62.8 kcal

B

`31.4 " kcal " `

C

`-31.4 " kcal " `

D

`-84.2 " kcal " `

Text Solution

Verified by Experts

The correct Answer is:
B
Eqn.(i) -Eqn.(ii)=-26.4-(-57.8)=31.4 kcal
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