The concentration of bromine radical [Br] in the steady-state is — Chemical Kinetics Chemistry Question

💡 Solution & Explanation

At steady state, the rate of initiation (Step I) equals the rate of termination (Step V): 2 K1 [$Br_2$] = 2 K5 [Br]^2 => [Br] = (K1/K5)^(1/2) [$Br_2$]^(1/2).