Q.1
Which of the following acids is an organic compound?
  • Hydrochloric
  • Sulfuric
  • Ethanoic
  • Nitric
Q.2
Which of the following formulae is for a carboxylic acid?
  • C2H4
  • C2H5COOH
  • C2H5OH
  • C4H8O2
Q.3
If a carboxylic acid is reacted with an alcohol, what is formed?
  • An alcohol
  • An alkene
  • An alkane
  • An ester
Q.4
Name the ester formed when methanol is reacted with butanoic acid.
  • Methyl propanoate
  • Butyl methanoate
  • Methyl butanoate
  • Butyl ethanoate
Q.5
Ethanol has a lower boiling point than water because...
  • the -OH groups in the ethanol molecules have a tendency to cling together
  • the attraction between the molecules is weaker
  • the ethanol molecules can easily lose a hydrogen atom
  • the ethanol molecules mix well with water
Q.6
Which of these organic compounds has the functional group -COOH?
  • Alcohols
  • Carboxylic acids
  • Esters
  • Alkanes
Q.7
Name the acid and alcohol required to make the ester butyl methanoate.
  • Butanol and methanoic acid
  • Methanol and propanoic acid
  • Butanol and propanoic acid
  • Methanol and butanoic acid
Q.8
Which of these organic compounds is unsaturated?
  • Carboxylic acid
  • Alcohol
  • Alkane
  • Alkene
Q.9
What is the functional group of alcohols?
  • COOH
  • OH
  • COO
  • CO
Q.10
When organic compounds combust in a plentiful supply of air, what are the products?
  • Carbon dioxide only
  • Carbon monoxide and water
  • Carbon dioxide and hydrogen
  • Carbon dioxide and water
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