[Olympiad] For a reaction 2A + B → Products, doubling [A] quadruples the rate, and doubling [B] doubles the rate. What is the overall order of the reaction?

  1. 2
  2. 3
  3. 4
  4. 1

📝 Batafsil tushuntirish

Rate = k[A]²[B]¹. The order with respect to A is 2, and with respect to B is 1. Overall order = 2 + 1 = 3.
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