How to Compare Boiling Point of Alkanes - Organic Chemistry Tutorial
How to rank the boiling point of different alkanes? What factors affect the boiling point of alkanes. Organic chemistry / o chem / orgo tutorial.
Let’s explain how to rank the boiling point of hydrocarbons alkanes by considering serval factors. How to rank the boiling point of different length alkanes. How to rank the boiling point of branched alkanes. How to rank the boiling point of symmetrical alkanes. We go through a few key questions, how does number of carbons affect boiling point , how does branching affect boiling point , and how to compare boiling point of molecules with the same number of carbons and branches.
We will use a systematic method because ranking alkane boiling point is really about ranking the strength of London dispersion intermolecular forces.
Therefore follow these steps in this order:
Rank the highest boiling point as the molecule with the most carbons. Next for molecules with the same number of carbons, rank them by the number of branching. More branches has a lower boiling point. Finally, compare symmetry. More symmetry has a higher boiling point.
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For a written explanation, check out this article on my website: https://tjsciencenotes.com/index.php/...
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