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JAMB Chemistry 1999 Question 28

Question 28

Rates of Reaction

X + Y → Z. The rate equation for the chemical reaction above is −Δ[X]/Δt = K[X]2[Y]. The overall order of the reaction is

  1. A.0
  2. B.1
  3. C.2
  4. D.3
Show the answer and explanation

Answer: D (3)

Explanation

The overall order is the sum of the powers in the rate equation: 2 + 1 = 3.