Sodium nitroprusside when reacts with a solution of $Na_2S$,produces:

  • A
    $Na_2[Fe(CN)_5(NOS)]$
  • B
    $Na_4[Fe(CN)_5(NOS)]$
  • C
    $[Fe(H_2O)_5NO]SO_4$
  • D
    $Na_2[Fe(CN)_5NO]$

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