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Chemistry. Chapter 22 Notes #3 Alkenes and Alkynes. review. Draw the following Nonane 2,4,7 trimethyl nonane 2,3 dimethyl 5 propyl decane 4 isopropyl heptane Methylcyclopentane 1,3 diethyl cyclobutane 1,2,2,4 tetramethylhexane. Alkenes. Unsaturated Hydrocarbons

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Chemistry

Chapter 22

Notes #3

Alkenes and Alkynes


review

  • Draw the following

    • Nonane

    • 2,4,7 trimethyl nonane

    • 2,3 dimethyl 5 propyl decane

    • 4 isopropyl heptane

    • Methylcyclopentane

    • 1,3 diethyl cyclobutane

    • 1,2,2,4 tetramethylhexane


Alkenes

  • Unsaturated Hydrocarbons

  • At least one double bond in the carbon chain

  • More reactive than alkanes

  • Formula

    • CnH2n

    • To figure out number of Hydrogen's

  • Names end in –ene

    • Ex. Ethene


Alkene Examples

  • Butene

  • 3,4 dimethyl 2pentene

    • Why is it numbered that way?

  • 1,5 octadiene

  • 4 butyl cyclohexene


Alkynes

  • Unsaturated Hydrocarbons

  • At least one triple bond in the carbon chain

  • More reactive than alkanes and alkenes

  • Formula

    • CnH2n - 2

    • To figure out number of Hydrogen's

  • Names end in –yne

    • Ex. Ethyne


Alkyne Examples

  • Butyne

  • 4-heptyne

  • 4ethyl, 2 methyl, 1 hexyne


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