MHT CET202410 May 2024Morning ShiftChemistryChemical KineticsActual
For a zero order reaction, A product, concentration of A decreases from 1.2 moldm ⁻³ to 0.4 moldm ⁻³ in 240 second. What is rate constant of the reaction?
Options
- A0.1 ~mol dm ⁻³ minute ⁻¹
- B0.2 ~mol dm ⁻³ minute ⁻¹
- C0.3 ~mol dm ⁻³ minute ⁻¹
- D0.4 ~mol dm ⁻³ minute ⁻¹
Correct answer
B. 0.2 ~mol dm ⁻³ minute ⁻¹
Step-by-step solution
For a zero order reaction, aligned k & = [ A ]₀-[ A ]_ t t & = (1.2-0.4) moldm ⁻³ 4 minute ( 1 minute =60 second ) & =0.2 ~mol dm ⁻³ minute ⁻¹ aligned