According to IUPAC nomenclature sodium nitroprusside is named as

According to IUPAC nomenclature sodium nitroprusside is named as

Options

(a) sodium nitroferricyanide
(b) sodium nitroferrocyanide
(c) sodium pentacyanonitrosyl ferrate (II)
(d) sodium pentacyanonitrosyl ferrate (III)

Correct Answer:

sodium pentacyanonitrosyl ferrate (II)

Explanation:

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  • The chemical formula of sodium nitroprusside is:Na2[Fe(CN)5NO]
    if NO is neutral i.e 0,and CN is -1.then this formula can be return as [Fe(CN)5NO]2-
    we get by substituting let Fe be x,
    X+(-1)5+0=-2
    X-5=-2
    X=-2+5=+3
    => sodium pentacyanonitrosyl ferrate(III)
    If we NO is cation i.e NO- so the value will be -1
    Then
    X=+2

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