According to IUPAC nomenclature sodium nitroprusside is named as

Options

A. Sodium nitroferricyanide
B. Sodium nitroferrocyanide
C. Sodium pentacyanonitrosylferrate (II)
D. Sodium pentacyano nitrosylferrate (III)

Answer

D

Explanation

Sodium nitroprusside, `Na_(2)[Fe(CN)_(5)NO]`, is named as sodium pentacyano nitrosyl ferrate (III). In this compound, NO is present as `NO^(+)` and Fe has + 2 charge. On the basis of this, the actual name should be sodium pentacyanonitrosonium ferrate (II).