Problem: Place these hydrocarbons in order of decreasing boiling point. Rank from highest to lowest boiling point. paraffin, octadecane , methane, hexane , 2,2-dimethylbutane

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Recall: For hydrocarbons, a large surface area leads to a high boiling point, i.e. a large compound will have lots of bonds, therefore it will require more energy (and thus a higher temperature) for those bonds to break and vice–versa.

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Place these hydrocarbons in order of decreasing boiling point. Rank from highest to lowest boiling point. 

paraffin, octadecane , methane, hexane , 2,2-dimethylbutane

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