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For which of the following chemical equa...

For which of the following chemical equation has `Delta H = Delta U?

A

`C(s) + 2H_2O (g) rarr 2H_2 (g) + CO_2 (g)

B

`PCl_5 (g) rarr PCl_3 (g) + Cl_2 (g)

C

` 2CO (g) + O_2 (g) rarr 2CO_2 (g)`

D

`H_2 (g) + Br_2 (g) = 2HBr (g)

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UNITED BOOK HOUSE-QUESTION PAPER 2016-EXERCISE
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