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Which of the following equations corresp...

Which of the following equations corresponds to the definition of standard enthalpy of formation of methanol at 298 K?

A

`C _(("graphite")) + 4 H _(2 (g)) + O _(2 (g)) to CH _(3) OH _((g))`

B

`C _(("diamond")) + 2 H _(2 (g)) + 1//2 O _(2 (g)) to CH _(3) OH_((l))`

C

`C _(("graphite")) + 4 H _(2 (g)) + O _(2 (g)) + O _(2 (g)) to 2 CH _(3) OH _((l))`

D

`C _(("graphite")) + 2H_(2 (g)) + 1//2 O _(2 (g)) to CH _(3) OH _((l))`

Text Solution

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In standard enthalpy of formation, reactant and products must be in standard state.
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