The half-life for a zero order reaction having 0 . 02 M initial concentration of reactant is 100 s . The…

The half-life for a zero order reaction having 0.02 M initial concentration of reactant is 100 s. The rate constant (in mol L-1s-1) for the reaction is
  1. 1.0×10-4
  2. 2.0×10-4
  3. 2.0×10-3
  4. 1.0×10-2

Solution

t1/2zero =[A]02K

100s=0.02M2K
K=0.02M2×100=1×10-4 mol L-1s-1

Asked in: NEET 2020 (Phase 2)

Practice more Chemical Kinetics questions on Aicharya