Question detail
How does increasing the surface area of a solid reactant affect the rate of a chemical reaction?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Rate of reaction
Question
How does increasing the surface area of a solid reactant affect the rate of a chemical reaction?
Answer
Increasingthe surface area of a solid reactant exposes more particles to potential collisions, which leads to a higher frequency of collisions between reactant particles. This increased collision frequency generally results in a faster reaction rate.
Explanation
This question tests the understandingof how surface area influences reaction rates, specifically through the lens of collision theory. A stronganswer demonstrates knowledge of the relationship between surface area and particle exposure, which is crucial for explainingreaction kinetics.
Common mistake
Misunderstanding Surface Area Effect
Students often think that increasing surface area speeds up reactions because it increases the amount of reactant rather than the number of exposed particles available for collisions.
Emphasize that increasing surface area allows more particles to be exposed and available for collisions, which increases the frequency of collisions and thus the reaction rate.
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