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Unsaturated Hydrocarbons

OCR A-level Organic ChemistryCarbonLesson 4 of 4

An unsaturated hydrocarbon contains at least one carbon-carbon double or triple bond. It has fewer hydrogen atoms than the maximum possible.

The alkenes are unsaturated hydrocarbons with the general formula CnH2n, for example ethene C2H4. A C=C double bond is made of one σ bond and one π bond.

Diagram

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