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The standard enthalpy of formation (Delt...

The standard enthalpy of formation `(Delta H^(0))` at 298K for methane, `CH_(4(g))` is 74.8 `kJ mol^(1)`. The additional information required to determine the average energy for C-H bond formation would be

A

The dissociation energy of hydrogen molecule, `H_2`

B

The dissociation energy of `H_2` and enthalpy of sublimation of carbon

C

Latent heat of vaporisation of methane.

D

The first four ionisation energies of carbon and electron gain enthalpy of hydrogen

Text Solution

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The correct Answer is:
B
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