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Based on the given bond dissociation enthalpies (BDEs), what is ∆H°rxn for the addition of methane tThermodynamics Chemistry Question

Question

Based on the given bond dissociation enthalpies (BDEs), what is ∆H°rxn for the addition of methane to ethyne to give propene?
CH4(g) + HCºCH(g) ® CH3CH=CH2(g) ∆H°rxn = ???

A.

–119 kJ mol-1

✓ Correct
B.

–196 kJ mol-1

C.

–259 kJ mol-1

D.

–296 kJ mol-1

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