A Suggested Mechanism for the Decomposition of Ozone Is as Follows

question 36

Multiple Choice

A suggested mechanism for the decomposition of ozone is as follows:
O₃ ${ k } _ { 1 }$$\rightleftharpoons$
${ \mathrm { k } _ { - 1 } }$ O₂ + O fast equilibrium
O + O₃ $\stackrel { k _ { 2 } } { \longrightarrow }$ 2O₂ slow step
What is the rate law predicted by this mechanism?

• A) Rate = \(\frac { k _ { 1 } k _ { 2 } } { k _ { - 1 } } \left[ \mathrm { O } _ { 3 } \right] ^ { 2 } [ \mathrm { O } ]\)
• B) Rate = k₂[O] [O₃]
• C) Rate = \(\frac { k _ { 1 } k _ { 2 } } { k _ { - 1 } } \frac { \left[ \mathrm { O } _ { 3 } \right] ^ { 2 } } { \left[ \mathrm { O } _ { 2 } \right] }\)
• D) Rate = \(\frac { k _ { 1 } } { k _ { - 1 } } \left[ \mathrm { O } _ { 3 } \right]\)
• E) Rate = \(\frac { k _ { 1 } } { k _ { - 1 } } \frac { \left[ \mathrm { O } _ { 2 } \right] [ \mathrm { O } ] } { \left[ \mathrm { O } _ { 3 } \right] }\)

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