MCQ
Which complex is most stable ?
Where $kd =$ Dissociation constant
- A$[Cu(CN)_2]^-; Kd = 1 \times 10^{-16}$
- B$[Fe(CN)_6^-]^{-4} ; Kd = 1 \times 10^{-37}$
- ✓$[Fe(CN)_6]^{-3} ; Kd = 1 \times 10^{-44}$
- D$[Ag(CN)_2]^-; Kd = 1 \times 10^{-20}$
Where $kd =$ Dissociation constant
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structure of $(A)$ is
take place in two steps :
$(a)$ $Br^{-} + H^{+} + H_2O_2 \xrightarrow{{slow}} HOBr + H_2O$
$(b)$ $HOBr + Br^{-} + H^{+} \xrightarrow{{fast}} H_2O + Br_2$
The order of the reaction is