MHT CET202416 May 2024Morning ShiftChemistryChemical KineticsActual
A zero order reaction has half life time of 0.2 minute. If initial concentration of reactant is 0.2 ~mol dm ⁻³ . Find rate constant.
Options
- A0.2 dm ^3 ~min ⁻¹
- B0.5 dm ^3 ~min ⁻¹
- C1.4 dm ^3 ~min ⁻¹
- D6.0 dm ^3 ~min ⁻¹
Correct answer
B. 0.5 dm ^3 ~min ⁻¹
Step-by-step solution
aligned & For zero order reaction, t _ 1 / 2 = [ A ]₀ 2 k & 0.2 ~min = 0.2 ~mol dm ⁻³ 2 k & k =0.5 ~mol dm ⁻³ ~min ⁻¹ aligned