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6. How are Esters used in Industry?

  • They are used as Catalysts for other reactions
  • Through Perfumes and Artificial Food Flavourings
  • In Cleaning Products and Shoe Polish

7. Alcohols are a Homologous series, what does this mean?

  • Homologous - A group of chemicals that all have the same General formula and have very similiar properties
  • They all react with each other
  • Homologous is a type of drug

8. What is the general formula for an Alcohol?

  • Cn H2n+1 OH
  • OH C3 H2n
  • C4n Hn OH

9. What is the Function group for an Ester?

  • It is -C-O-O-
  • It is C-O
  • It is -H-O

10. When an Alcohol and Sodium react , what is given off?

  • Hydrogen gas
  • Carbon Dioxide and Water
  • Carbon Monoxide

11. The reaction between an Alcohol and a Carboxylic Acid can be catalysed by what?

  • A concentrated Acid (e.g. Sulphuric Acid)
  • A piece of Iron
  • A Nickel catalyst
  • An Alkali Metal

12. How is an Ester formed?

  • Reacting an Alcohol and a Carboxylic Acid
  • Heating an Alcohol
  • Heating a Carboxylic Acid

13. What is released when an Alcohol is burnt?

  • Nothing is released
  • They release Carbon Dioxide and Water
  • They release Hydrogen

14. What function group do Alcohols have?

  • They don't have a function group
  • They ALWAYS end in O-H
  • They end in C-O-O-H

15. What's the Carboxylic Acid in fruits such as oranges?

  • Ascorbic Acid (Vitamin C)
  • Ethanol
  • Phenolpthalein