chemical reactions of alkanes and alkenes n.
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Chemical Reactions of Alkanes and Alkenes. Structure cyclohexane cyclohexene. Cyclohex ane. Cyclohex ene. Solubility. insoluble. insoluble. H 2 SO 4 & H 2 O. No reaction. Cloudy, warm. Br 2 before. Orange. Orange. after. Orange. Colourless. KMnO 4 before. Purple.

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slide3

Cyclohexane

Cyclohexene

Solubility

insoluble

insoluble

H2SO4 & H2O

No reaction

Cloudy, warm

Br2 before

Orange

Orange

after

Orange

Colourless

KMnO4 before

Purple

Purple

after

Purple

Brown

slide4
Low. Low.
  • Saturated: all single bonds, Unsaturated: has multiple bonds
  • Cyclohexane, saturated

Cyclohexene,unsaturated

  • Alkanes: non, alkenes: most *not benzene
  • a) Orange b) Addition
  • c)

d) Br2 is orange. It (and it’s colour) is used up in the reaction with cycloalkene

e) One mole of ethyne

cyclohexene h 2 so 4 h 2 o

catalyst

Cyclohexene + H2SO4 + H2O

cyclohexanol

Found in water because it can form hydrogen bonds with water (it is polar)

cyclohexene kmno 4
Cyclohexene + KMnO4

+ KOH + MnO2

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