MCAT General Chemistry Question 56: Answer and Explanation

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Question: 56

11. A reaction that utilizes oxygen and hydrocarbons as reactants and that produces carbon dioxide and water as products is best characterized as:

  • A. single-displacement.
  • B. combustion.
  • C. metathesis.
  • D. decomposition.

Correct Answer: B

Explanation:

This description characterizes a combustion reaction because a hydrocarbon acts as a fuel when reacting with oxygen. Carbon dioxide (an oxide) and water are the products of such a reaction.

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