A -K1- P (1st order) and B -K2- Q (2nd order). Same initial conc (1M), same time to reach 0.5M.

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Question

A -K1-> P (1st order) and B -K2-> Q (2nd order). Same initial conc (1M), same time to reach 0.5M.

Prashant Kotian · Accepted Answer

Correct answer: B,D. t_1/2 equal: 0.693/K1 = 1/K2 => K2 = 1.44*K1, so K2 > K1 (D correct). Initial rates: R_A0 = K1, R_B0 = K2. Since K2 > K1, initial rate of B greater (B correct).

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