MCAT General Chemistry Question 55: Answer and Explanation
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Question: 55
10. Which of the following types of reactions generally have the same number of reactants and products?
I. Double-displacement reactions
II. Single-displacement reactions
III. Combination reactions
- A. I only
- B. II only
- C. I and II only
- D. II and III only
Correct Answer: C
Explanation:
Typically, both single-displacement and double-displacement reactions have two reactants that swap either one or two components between the two species. Combination reactions, on the other hand, have more reactants than products because the reactants combine together to form the product.