Which molecule has the most negative heat of combustion in kcal/mole?

Name: Which molecule has the most negative heat of combustion in kcal/mole?
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Question

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Butane has the most negative heat of combustion among the options given. This is because the heat of combustion generally increases with the size and complexity of the molecule. Butane, being the largest molecule listed, releases more energy upon complete combustion compared to methane, ethane, and propane.

Which Molecule Has the Most Negative Heat of Combustion in Kcal/mole