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Chemical Reaction Engineering
Reaction Kinetics
GATE 2015
Medium

For which reaction order is the half-life of the reactant exactly half of the full lifetime (time for 100% conversion)?

  • Zero order
  • BHalf order
  • CFirst order
  • DSecond order

Explanation

For zero order, t1/2=CA0/(2k) and t_full=CA0/k, so t1/2/t_full=0.5 exactly.

Source: GATE CH 2015 (2015)

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