Question:
In the reaction P+Q→ 2R+S, the time taken for 75% reaction of P is twice the time taken for 50% reaction of P. The concentration of Q varies with time as shown. The overall order of the reaction is:
In the reaction P+Q→ 2R+S, the time taken for 75% reaction of P is twice the time taken for 50% reaction of P. The concentration of Q varies with time as shown. The overall order of the reaction is:
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Time–conversion relations help identify reaction order.
Updated On: Mar 20, 2026
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- 3
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The Correct Option is A
Solution and Explanation
Step 1: Given time relation indicates second-order dependence on P.
Step 2: Linear decrease of Q with time indicates zero order in Q.
Step 3: Overall order: 2+0=2
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