A first order reaction takes 40 min for 30% decomposition. What will be t 1/2 ?

Chemistry · Class 12 · CBSEChemical Kinetics

A first order reaction takes 40 min for 30% decomposition. What will be t1/2?
  1. 77.7 min
  2. 52.5 min
  3. 46.2 min
  4. 22.7 min

Answer

(A) 77.7 min

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