If the rate constant for a first order reaction is k, the time (t) required for the…

Chemistry · NEET · NTA ExamsChemical Kinetics

If the rate constant for a first order reaction is k, the time (t) required for the completion of 99% of the reaction is given by:
  1. t = 0.693/k
  2. t = 6.909/k
  3. t = 4.606/k
  4. t = 2.303/k

Answer

(C) t = 4.606/k

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