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The Delta H(f)^@ for CO2(g), CO(g) and H...

The `Delta H_(f)^@` for `CO_2(g)`, CO(g) and `H_2O(g)` are `-395 cdot 5, - 110 cdot 5` and `-241 cdot 8` k J `mol^(-1)` respectively. The standard enthalpy change (in k J) for the reaction:
`CO_2(g) + H_2(g) rarr CO(g) + H_2O(g) is

A

`524 cdot 1`

B

`41 cdot 2`

C

`-262 cdot 5`

D

`-41 cdot 2`

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The correct Answer is:
B
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