Other questions in this quiz

2. How would you get an alicyclic amine?

  • react nitrobenzene with nitrous acid below 10 degrees temp
  • react nitrobenzene with HCl and tin under reflux
  • react a halogenalkane with HCl and tin under reflux
  • react a halogenalkane with aqueous ethanolic ammonia

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

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

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

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

5. What are the reaction conditions and reagents for acid esterification reactions?

  • RTP
  • concentrated H2SO4, heat under reflux
  • concentrated HCl and tin
  • concentrated HCl, heat gently

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