Alkene reactions

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6 Terms

1
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What happens when an alkene reacts with H2 and Pt/Pd? This is called ____.

  • adds one H to each double bond, turning it into an alkane

  • catalytic hydrogenation


2
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What happens when an alkene reacts with HCl or HBr? This is called____.

  • adds a hydrogen to one end of the bond, and a halogen to the other end breaking it and turning it into an alkane

  • hydrogenation


3
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What happens when an alkene reacts with Cl2 or Br2? This is called ___.

  • adds one halogen to each double bonded carbon, turning it into an alkane called a vicinal dihalide (two halogens on adjacent carbons)

  • halogenation


4
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What happens when an alkene reacts with H2O and H2SO4/H3O+ ? This is called____.

  • adds an H and OH across the double bond, OH usually ends up on the more substituted carbon?

  • acid-catalyzed hydration


5
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What happens when an alkene reacts with KMnO4 under basic conditions? This is called ___.

  • adds OH to each double-bond carbon, producing a vicinal diol, (a molecule with two neighboring OH groups)

  • Dihydroxylation


6
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What happens when you react an alkene with KMnO3 under acidic conditions such as H3O? This is called ___.

  • Breaks the double bond and forms an oxidative cleavage producing two carbonyl compounds, if ring then splits open

  • dihydroxylation permanganate cleavage