Answer to Question #54471 in Physical Chemistry for manu

Question #54471
Please tell me , Why rate constant of second order reaction is independent of time
1
Expert's answer
2015-09-06T04:44:04-0400
For 2nd order reactions, the half life depends on the initial concentration, [A]o, and the rate constant k:
hl = 1 / (k [A]o)
hl * k [A]o = 1
Since the concentration is reduced to half of its original value at the end of its first half-life, the second half-life is twice as long as the first half life. Thus, a plot of [A] vs. t easily reveal the order of the reaction by tracking its half life.

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