Which of the following equations represe...

Which of the following equations represents standard enthalpy of formation of methane?

A

`"C (diamond)"+2H_(2)(g)rarr CH_(4)(g)`

B

`"C (graphite)"+2H_(2)(g)rarr CH_(4)(g)`

C

`"C(diamond)"+4H(g)rarr CH_(4)(g)`

D

`"C (graphite)"+4H(g)rarr CH_(4)(g)`

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The correct Answer is:

B

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