In a first order reaction the concentration of reactant decreases from 400 mol L –1 to 25…

Chemistry · Class 12 · CBSEChemical Kinetics

In a first order reaction the concentration of reactant decreases from 400 mol L–1 to 25 mol L–1 in 200 seconds. The rate constant for the reaction is

  1. 1.01386 s–1
  2. 2 × 10–4 s–1
  3. 1.386 × 10–2 s–1
  4. 3.4 × 10–4 s–1

Answer

(C) 1.386 × 10 –2 s –1

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