Topic 6: Organic Chemistry

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  • Created by: LouiseG
  • Created on: 16-04-16 09:17

1. Why does But-1-ene not exhibit steroisomerism ?

  • Because it is a functional group isomer of But-2-ene
  • It has the same group (two H's) attatched to one carbon in the C=C bond
  • It exhibits E/Z but not Cis/Trans due to the varying groups attached to the C=Cs
  • Because it has different groups attached to the central C=C
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2. Momomers are...

  • Alkanes that form polymers by addition reactions
  • The alkenes that form a polymer
  • Alkenes with only one C=C double bond
  • The singular repeat units that form a polymer (after the double bond has been broken)

3. Which formulae type is this: "A zig-zag line where every bend and end is a carbon atom"

  • Emprical
  • Skeletal
  • Structural
  • Displayed

4. What are some of the issues with bioethanol and biodisel?

  • It uses large areas of land and has substantial costs in processing and manufacture
  • It is not as close to carbon neutral as some fossil fuels such as coal
  • Engines will have to be drastically remodeled to run it
  • It is non renewable

5. What is the difference between a ketone and an aldehyde?

  • An ketone will form a dark red precipitate of Copper(I) Oxide with Fehling's solution but an aldehyde will not
  • An aldehyde has an C=O group in the middle of it's molcule, thus with an alkyl group on each side. In a ketone the C=O is found at the end of the molecule with an H and an alkyl group
  • A ketone has an C=O group in the middle of it's molcule, thus with an alkyl group on each side. In an aldehyde the C=O is found at the end of the molecule with an H and an alkyl group
  • A ketone can be formed from the oxidation by distillation of a primary alchol
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