Match the half-life in Column I with the order of reaction in Column II: Column I: (A) t_(1/2) = constant (B) t_(1/2) ∝ a (C) t_(1/2) ∝ 1/a (D) t_(1/2) ∝ 1/a^2 Column II: (P) First order (Q) Third ord

Question

Match the half-life in Column I with the order of reaction in Column II: Column I: (A) t_(1/2) = constant (B) t_(1/2) ∝ a (C) t_(1/2) ∝ 1/a (D) t_(1/2) ∝ 1/a^2 Column II: (P) First order (Q) Third order (R) Second order (S) Zero order

Prashant Kotian · Accepted Answer

Correct answer: A->P; B->S; C->R; D->Q. Since t_(1/2) ∝ a^(1-n): (A) 1-n = 0 => n = 1 (First order, P). (B) 1-n = 1 => n = 0 (Zero order, S). (C) 1-n = -1 => n = 2 (Second order, R). (D) 1-n = -2 => n = 3 (Third order, Q).

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