The following is a possible mechanism for the atmospheric decomposition of ozone

Question

The following is a possible mechanism for the atmospheric decomposition of ozone: (1) Cl (g) + 03 (g) CIO (g) + O2 (g) (2) cio (g) + O (g) Cl (g) + 02 (g) (Slow) Fast) (a) Write the balanced equation for the overall reaction. (b) Identify all reaction intermediates. (c) Identify all catalysts (d) What is the molecularity of thè rate-determining step? (e) The experimentally determined rate law for this reaction is: Rate k[CIn[O,J. Does this rate law corroborate or refute the proposed mechanism? Explain how you know 5 6 8 commandoptio

Explanation / Answer

a) O3(g) + O(g)  - - - - - - - > 2O2(g)

b) ClO is intermediate

c) Cl is catalyst

d) 2

e) Experimental rate law is agree with proposed mechanism.

Rate determining step is first step because it is slow step

Rate law for the first step is

Rate = k[Cl][O3]

thus, proposed mechanism is agree with exparimental rate law.

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