Some chemical reactions of organic compounds
2 marks · HardButan-2-ol reacts with oxygen to produce carbon dioxide and water. State and explain the type of reaction that occurs.
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Combustion; This reaction is classified as combustion because butan-2-ol reacts with oxygen to form carbon dioxide and water, a typical feature of combustion reactions of organic compounds.
Also accept: Complete combustion; because the organic compound reacts with oxygen to give carbon dioxide and water.
Common mistakes: Calling it substitution; Calling it addition
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Marking points
B1 · 1 mark · Correctly identifies the reaction as combustion
B2 · 1 mark · Gives a valid reason (reaction with oxygen to give CO2 and water)
Worked solution
This reaction is combustion because butan-2-ol reacts with oxygen to produce carbon dioxide and water. These are the products of combustion of an organic compound.