CLEP Chemistry Practice Test

Category - Chemistry

A student adds iron filings to a copper(II) chloride solution at room temperature. A balanced equation for the reaction that occurs is shown below. Fe(s) + CuCl2(aq) → FeCl2(aq) + Cu(s)

Which of the following changes would most likely increase the reaction rate?
  1. using larger pieces of iron
  2. performing the reaction in an ice bath
  3. decreasing the volume of the CuCl2 solution
  4. increasing the concentration of the CuCl2 solution
Answer: D - Increasing the concentration of the CuCl2 solution.
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