JAMB Chemistry 2011 Question 28

Question 28

Rates of Reaction

The diagram above best illustrates the effect of decrease in

Diagram for this question
  1. A.concentration
  2. B.temperature
  3. C.surface area
  4. D.presssure
Show the answer and explanation

Answer: A (concentration)

Explanation

As the reaction goes on, reactants are used up and their concentration falls, so the rate drops with time as shown.