For a first order reaction involving dec...

For a first order reaction involving decomposition of `N_2O_5` the following information is available : `2N_2O_5(g) rarr 4NO_2(g) + O_2 (g) Rate = k [N_2O_5]` `N_2O_5 (g) rarr 2NO_2(g) + 1/2 O_2 (g) Rate = k’ [N_2O_5].` Which of the following expressions is true ?

A

k=k’

B

k’ =2k

C

k’ =1/2k

D

kgt k'.

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