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Chemical Reactions of Alkanes and Alkenes. Structure cyclohexane cyclohexene.

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Presentation on theme: "Chemical Reactions of Alkanes and Alkenes. Structure cyclohexane cyclohexene."— Presentation transcript:

1 Chemical Reactions of Alkanes and Alkenes

2 Structure cyclohexane cyclohexene

3 CyclohexeneCyclohexane BrownPurple after Purple KMnO 4 before ColourlessOrange after Orange Br 2 before Cloudy, warmNo reaction H 2 SO 4 & H 2 O insoluble Solubility

4 1.Low. Low. 2.Saturated: all single bonds, Unsaturated: has multiple bonds 3.Cyclohexane, saturated Cyclohexene, unsaturated 4.Alkanes: non, alkenes: most *not benzene 5.a) Orange b) Addition c) d) Br 2 is orange. It (and its colour) is used up in the reaction with cycloalkene e) One mole of ethyne

5 Cyclohexene + H 2 SO 4 + H 2 O cyclohexanol Found in water because it can form hydrogen bonds with water (it is polar) catalyst

6 Cyclohexene + KMnO 4 + KOH + MnO 2 For more lessons, visit


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