The uncatalysed decomposition of compound X has an activation energy of
CHEMISTRY · Single correct · A Level · Chemistry · Kinetics · Kinetics
Problem
The uncatalysed decomposition of compound X has an activation energy of 110kJ mol−1. In the presence of catalyst C, the reaction proceeds in two elementary steps with activation energies of 45kJ mol−1 for step 1 and 60kJ mol−1 for step 2. What is the activation energy of the rate-determining step in the catalysed pathway?
(a) 110 kJ mol⁻¹
(b) 45 kJ mol⁻¹
(c) 60 kJ mol⁻¹
(d) 105 kJ mol⁻¹