1.

Which of the following equation represents standard heat of formation of methane ?

Answer»

`C ("diamond") + 2 H_(2)(G) rarr CH_(4)(g)`
`C ("GRAPHITE") + 2 H_(2)(g) rarr CH_(4)(g)`
`C ("diamond") + 4 H(g) rarr CH_(4)(g)`
`C ("graphite") + 4 H(g) rarr CH_(4)(g)`

Answer :B


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