Organic Chemistry Reactions

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  • Created by: Emily
  • Created on: 22-04-14 11:38

1. How would you form the diazo group?

  • React HNO3 with an alicyclic amine under 10 degrees
  • React NaNO2 and HCl with an alicyclic amine under 10 degrees
  • React NaNO2 and HCl with an alicyclic amine under reflux
  • React HNO2 with an alicyclic amine under reflux
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Other questions in this quiz

2. How would you carry out a test to distinguish a carboxylic acid from a ketone?

  • Add solid carbonate - fizzing as CO2 given off = aldehyde/ketone
  • Oxidise with K2Cr2O7/H2SO4 - colour change = carboxylic acid
  • React with 2,4-DNPH, orange precipitate = aldehyde/ketone
  • Heat gently with tollens reagent, silver mirror = carboxylic acid

3. What observations would you record reacting potassium dichromate with a primary alcohol?

  • Oxidising agent changes colour from yellow to orange
  • White precipitate formed
  • Oxidising agent changes colour from orange to green
  • Oxidising agent changes colour from orange to blue

4. How would you carry out a test to determine whether a compound was an aldehyde or a ketone?

  • Heat gently with tollens reagent, silver mirror = aldehyde
  • Heat gently with 2,4-DNPH - orange precipitate = aldehyde
  • Oxidise with K2Cr2O7/H2SO4 - colour change of solution = ketone
  • Heat gently with tollens reagent, silver mirror = ketone

5. What are the reaction conditions for acid hydrolysis?

  • hot aqueous HCl and reflux
  • cold aqueous NaOH and reflux
  • hot aqueous NaOH and reflux
  • cold aqueous HCl and reflux

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