Alkenes

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8 Terms

1
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Describe structure of alkenes?

  • unstaturated hydroarbon with C=C bond

  • pi bond due to sideways overlap of adjacent 2 p-orbitals above + below bonding atoms

2
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What are stereoisomers?

molecules with same structural formula but different arrangement

3
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Describe E/Z + cis-trans isomerism

  • E = diferent side

  • Z = same side

  • cis = same side with H

  • trans = different side with H

4
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How to use CIP to identify E/Z isomers?

higgher priority groups have higher atomic numbers

5
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Hydeogenation of alkenes

forms alkanes
nickel catalyst + H2

6
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Halogenatio with halogens + how to test

forms dihaloalkanes

electrophilic addition

test using bromine water

7
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Halogenation using hydrogen halides

forms haloalkanes

electrophilic addition

8
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Hydration reactions

forms pri + secon alcohols

steam + acid catalyst H3PO4