Carboxylic acids, esters and -OH environments. A2 chemistry

Chemistry for Salter's course. Some revision questions :)

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1. What functional group do carboxylic acids contain?

  • carbonyl
  • alkyl
  • hydroxyl
  • carboxyl
  • amino
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Other questions in this quiz

2. The shortened structural formula of a compound is CH3CH2COOH. What is the name of the carboxylic acid?

  • ethanedioic acid
  • propanoic acid
  • methanoic acid
  • 2-methylbutanoic acid

3. What ion does a carboxylic acid produce when it partially dissociates in water

  • NO3- ions
  • OH- ions
  • phenoxide ion
  • oxonium ion
  • ethanoate ion

4. Under what conditions do carboxylic acids turn into esters, in the presence of water?

  • Distillation and acid catalyst
  • Reflux no catalyst
  • Distillation and alkali catalyst
  • Reflux and acid catalyst
  • Room temperature, no catalyst

5. What can be done to test for a carboxylic acid?

  • blue to red with Fehlings solution
  • CO2 produced with carbonate
  • neutral iron(III) chloride soultion
  • orange to green with H+/Cr2O7 2-

Comments

olivia

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nice quiz!

Bob Sedgwick

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Good quiz, aced it 

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