Chlorine gas catalyzes the gas-phase decomposition of nitrous oxide according to the equation 2 N2O — Kinetics Chemistry Question
Question
Chlorine gas catalyzes the gas-phase decomposition of nitrous oxide according to the equation
2 N2O ® 2 N2 + O2
The following mechanism is proposed for the catalyzed reaction:
Cl2 ⇌ 2 Cl fast, unfavorable
Cl + N2O ® N2 + ClO slow
ClO + N2O ® N2 + ClO2 fast
ClO2 + Cl ® Cl2 + O2 fast
What rate law is predicted by this mechanism?
A.
Rate = k[N2O]
B.
Rate = k[N2O]2
C.
Rate = k[N2O][Cl2]
D.✓ Correct
Rate = k[N2O][Cl2]1/2
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