Chemical KineticsFirst-Order Rate Constant1Choose the best answerFor a first-order reaction, [A] = 2.0 mol dm⁻³ and Rate = 0.6 mol dm⁻³ s⁻¹. The rate constant is:A1 s⁻¹B0.3 s⁻¹C0.6 s⁻¹D0.9 s⁻¹ Like 0 Discuss 0Share