In the reversible reaction 2 NO2 harr N2...

In the reversible reaction `2 NO_2 harr N_2O_4`, the rate of disappearance of `NO_2` is equal to

`(2k_1)/k_2[NO_2]^2`

`2k_1 [NO_2]- 2k_2 [N_2O_4]`

`2k_1 [NO_2]^2- 2k_2 [N_2O_4]`

`(2k_1-k_2) [NO_2]` .

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MODERN PUBLICATION-CHEMICAL KINETICS-EXERCISE

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