A zero-order reaction reduces the concentration from 0.1 mol L⁻¹ to 0.04 mol L⁻¹ in 60 s. What is the rate constant?
k = (0.1 − 0.04)/60 = 1.0 × 10⁻³ mol L⁻¹ s⁻¹.
Ref: NCERT Class 12 Chemistry > Chapter 3: Chemical Kinetics > Topic: Integrated Rate Equations - Zero Order Reactions