Chemical Kinetics · JEE Main previous year questions

2010 1 question

1. Q772010 · 25 Apr 2010 · Shift 1

   The time for half life period of a certain reaction $\mathrm{A}\to \mathrm{products}$ is 1 hour. When the initial concentration of the reactant 'A', is $2.0\mathrm{mol}{\mathrm{L}}^{-1}$, how much time does it take for its concentration to come from 0.50 to $0.25\mathrm{mol}{\mathrm{L}}^{-1}$ if it is a zero order reaction ?

   1. A.4 h
   2. B.0.5 h
   3. C.0.25 h
   4. D.1 h
   Show answer

   Answer: C