1.

It has been proposed that the conversion of ozone into `O_(2)` proceeds in two steps: `O_(3(g)) hArrO_(2(g))+O_((g))` `O_(3(g))+O_((g))rarr 2O_(2(g))` (a) Write the equation for overall reaction. (b) Identify the intermediate, if any. (c ) Derive molecularity for each step of mechanism.

Answer» (a) Addition of the two steps gives the overall reaction:
`2O_(3(g))rarr 3O_(2(g))`
(b) Intermediate is `O_((g))`.
(c ) The first step is unimolecular. The second step is bimolecular.


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