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Rocksil wool soaked in pentanol

Dehydration of Alkanols. Aluminium oxide. Rocksil wool soaked in pentanol. H. H. H. OH. H. H. C. C. C. C. C. H. H. H. H. H. H. Pentan-2-ol. On dehydration we can loose either the H to the left Of the OH group. Or the H to the right of the OH group.

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Rocksil wool soaked in pentanol

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  1. Dehydration of Alkanols Aluminium oxide Rocksil wool soaked in pentanol

  2. H H H OH H H C C C C C H H H H H H Pentan-2-ol On dehydration we can loose either the H to the left Of the OH group Or the H to the right of the OH group Both reactions will form an alkene but the alkene formed will depend on which H is lost with the OH group

  3. Pentan-2-ol H H H OH H H C C C C C H H H H H H If we lose the H to the right of the OH group The product is pent-1-ene

  4. Pentan-2-ol H H H OH H H C C C C C H H H H H H If we lose the H to the left of the OH group The product is pent-2-ene

  5. H H OH H H H C C C C C H H H H H H Pentan-3-ol The OH and an H on the next carbon is lost to produce water and an alkene The alkene is pent-2 ene Because of the position of the OH this is the only alkene which can be formed

  6. H H OH H H H C C C C C H H H H H H Pentan-3-ol If the H on the other side of the OH is lost The alkene is still pent-2 ene The two alkenes formed are identical pent-2-ene

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