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Which of the following reactions is defi...

Which of the following reactions is defines `Delta_(f)H^(Theta)`?

A

`C_("diamond") + O_(2)(g) rarr CO_(2)(g)`

B

`(1)/(2)H_(2)(g)+(1)/(2)F_(2)(g) rarr HF(g)`

C

`N_(2)(g)+3H_(2)(g)rarr2NH_(3)(g)`

D

`CO(g)+(1)/(2)O_(2)(g)rarr CO_(2)(g)`

Text Solution

Verified by Experts

The correct Answer is:
B
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