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At constant P and T which statement is c...

At constant P and T which statement is correct for the reaction, `CO(g)+1//2O_2(g)rarrCO_2(g)`:

A

`triangleH=triangleU`

B

`triangleHlttriangleU`

C

`triangleHgttriangleU`

D

`triangle H` is independent for physical state of reaction.

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The correct Answer is:
B
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