MCQ
In the following graphs, which graph $(s)$ belong to first order


- ✓$(i),\,(iii)$
- B$(i),\,(ii),\,(iii)$
- C$(i)$ only
- D$(iii),\, (ii)$

$log\frac {a}{a-x}=\frac {kt}{2.303}$
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$C$ and $ D$ are

$(I)\,[Cr(NO_3)_3(NH_3)_3]$ $(II)\, K_3[Fe(C_2O_4)_3]$ $(III)\,[CoCl_2(en)_2]^+$ $(IV)\, [CoBrCl(ox)_2]^{3-}$