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MHT CET20225 Aug 2022Evening ShiftChemistryChemical KineticsActual

Calculate half-life of a first order reaction in minute if the rate constant is 1 10⁻³ sec ⁻¹ .

Options

  1. A6.93
  2. B15
  3. C9.3
  4. D11.55

Correct answer

D. 11.55

Step-by-step solution

aligned & t_ 1 / 2 = 0.693 K = 0.693 1 10⁻³ & =693 sec & =11.55 ~min aligned

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