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.