In a chemical reaction as shown in the bellow figure, it is observed that the (i) Rate of formation of 'P' is doubled on doubling the concentration of 'X' (ii) Rate of formation of 'P' is quadrupled on doubling the concentration of 'Y' (iii) Doubling the concentration of 'Z' does not affect the rate of formation of 'P' What is the order of the above chemical reaction ?
Correct answer: B. Third order
- A. Zeroth order
- B. Third order
- C. Second order
- D. First order
Explanation
Doubling X doubles the rate, so X has order 1; doubling Y quadruples it, so Y has order 2. Since Z has order 0, the overall order is 1 + 2 + 0 = 3.
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