Chemistry mechanisms

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1. How would you test for an aldehyde and what would you see?

  • Fehlings, silver mirror
  • Acidified potassium dichromate
  • Tollens reagent, silver mirror
  • Tollens reagent, orange to green
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2. Haloalkane to alkene

  • nucleophilic substitution
  • electrophilic addition
  • elimination
  • hydration

3. What would you need to do if you wanted a carboxylic acid?

  • Condense and heat with catalyst
  • Distill and heat under reflux
  • Condense and heat under reflux
  • Distill and heat with catalyst

4. Alkane to haloalkane

  • electrophilic addition
  • free radical substitution
  • nucleophilic substitution
  • hydrogenation

5. 4 products a haloalkane could form in 1 process

  • amine, nitrile, alkene, alcohol
  • alkene, aldehyde, ketone, amine
  • aklene, alcohol, alkane, nitrile
  • alcohol, alkyl hydrogen sulphate, ketone, nitrile


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