Which of the following is a chocolate brown complex?

  • A
    $K_3[Cu(CN)_4]$
  • B
    $[Cu(NH_3)_4]SO_4$
  • C
    $Cu_2[Fe(CN)_6]$
  • D
    $Na_3[Ag(S_2O_3)_2]$

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Similar Questions

$A$ white precipitate of $AgCl$ dissolves in excess of
$(I)$ $NH_{3(aq)}$
$(II)$ $Na_2S_2O_3$
$(III)$ $NaCN$

Assign $A$,$B$,$C$,$D$ from the given type of reaction.
$K_4[Fe(CN)_6] + ZnSO_4 \longrightarrow Zn_2[Fe(CN)_6] \downarrow + 2K_2SO_4$

The compound that inhibits the growth of tumors is

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

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