MCQ
Oxidation number of $Fe$ in violet coloured complex $Na_4[Fe(CN)_5(NOS)$ is :
  • A
    $0$
  • B
    $2$
  • C
    $3$
  • $4$

Answer

Correct option: D.
$4$
d
The correct $IUPAC$ name of complex compound is Pentaamminecyanidochromium$(III)$hexanitrito-N-irridate$(III)$.

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