Identify the complexes formed in the following processes:
$I$. Mond's process for purification of nickel
$II$. Removal of unreacted $AgBr$ from photographic plates
$III$. Removal of lead poisoning from the body

  • A
    $Ni(CO)_4 - [Ag(CN)_2]^- - [Pb(EDTA)]^{2-}$
  • B
    $Ni(CO)_4 - [Ag(S_2O_3)_2]^{3-} - [Pb(EDTA)]^{2-}$
  • C
    $Ni(CO)_6 - [Ag(S_2O_3)_2]^{3-} - [Pb(EDTA)]^{4-}$
  • D
    $Ni(CO)_6 - [Ag(S_2O_3)]^- - [Pb(EDTA)]^{2-}$

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Similar Questions

When $FeCl_3$ reacts with $K_4[Fe(CN)_6]$,which of the following compounds is formed?

Assign the correct code for Column-$I$ and Column-$II$:
Column-$I$ (Coordination compound) Column-$II$ (Central metal atom)
$(a)$ Chlorophyll $(p)$ Rhodium
$(b)$ Blood pigment $(q)$ Cobalt
$(c)$ Wilkinson catalyst $(r)$ Calcium
$(d)$ Vitamin $B_{12}$ $(s)$ Iron
$(t)$ Magnesium

Prussian blue is formed when

Assign $A, B, C, D$ from the given type of reaction.
$K_4[Fe(CN)_6] + 2CuSO_4 \longrightarrow Cu_2[Fe(CN)_6] \downarrow + 2K_2SO_4$

When $CuSO_4$ solution is added to $K_4[Fe(CN)_6]$,the formula of the product formed is

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