Assign $A, B, C, D$ from the given type of reaction:
$3KCN + Fe(CN)_3 \downarrow \longrightarrow K_3[Fe(CN)_6]$

  • A
    $A$. for coloured ppt./Black ppt.
  • B
    $B$. for coloured solution.
  • C
    $C$. for clear/colourless solution
  • D
    $D$. for white ppt.

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