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MHT CET202122 Sep 2021Evening ShiftChemistryChemical KineticsActual

Which is rate constant of a first order reaction if 0.08 mole of reactant reduces to 0.02 mole in 23.03 minute?

Options

  1. A0.2303 ~min ⁻¹
  2. B1.6021 ~min ⁻¹
  3. C0.4031 ~min ⁻¹
  4. D0.06021 ~min ⁻¹

Correct answer

D. 0.06021 ~min ⁻¹

Step-by-step solution

aligned & K = 2.303 t [ A ]₀ [ ~A ]_ t & K = 2.303 23.03 0.08 0.02 & ~K = 1 10 4 & = 2 2 10 =0.0602 ~min ⁻¹ aligned

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