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AP EAMCET20226 Jul 2022Morning ShiftChemistryChemical KineticsActual

A products, is a first order reaction. The time required to decompose A to half its initial amount is 60 minutes. The rate constant of the reaction (in s ⁻¹ ) is

Options

  1. A1.05 10⁻²
  2. B1.15 10⁻²
  3. C1.25 10⁻⁴
  4. D1.92 10⁻⁴

Correct answer

D. 1.92 10⁻⁴

Step-by-step solution

A pdts ; 1st order reaction k= 0.693 t_ 1 / 2 = 0.693 60 60 =1.92 10⁻⁴ ~s ⁻¹

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