The IUPAC name of compound ${{\rm{K}}_3}\left[ {{\rm{Fe}}{{\left( {{\rm{CN}}} \right)}_5}{\rm{NO}}} \right]$ is

Pentacyano nitrosyl potassium ferrate(II)

Potassium cyano pentanitrosyl ferrate(II)

NEET UG CHEMISTRY MCQ: CO-ORDINATION COMPOUNDS

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The IUPAC name of compound

{\mathrm{K}_3}\left[ {\mathrm{Fe}{{\left( {\mathrm{CN}} \right)}_5}\mathrm{NO}} \right]

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Correct option: D

Potassium pentacyanonitrosyl ferrate (II)

Option D (Potassium pentacyanonitrosyl ferrate (II)) is correct because it correctly names the compound, indicating the potassium cation, the pentacyano and nitrosyl ligands, the ferrate anion, and the oxidation state of iron.

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The complexes

\left[ {\mathrm{PtC}{\mathrm{l}_2}{{\left( {\mathrm{N}{\mathrm{H}_3}} \right)}_4}} \right]\mathrm{B}{\mathrm{r}_2}\mathrm{\;and\;}\left[ {\mathrm{PtB}{\mathrm{r}_2}{{\left( {\mathrm{N}{\mathrm{H}_3}} \right)}_4}} \right]\mathrm{C}{\mathrm{l}_2}\mathrm{\;}

are example for isomerism The total number of stereoisomers for the complex

\left[\mathrm{Cr}(\mathrm{Ox})_{2} \mathrm{ClBr}\right]^{3-}

(where

\text{ox =}

oxalate) is The value of

x

on the

{\left[ {\mathrm{Ni}{{\left( {\mathrm{CN}} \right)}_4}} \right]^x}

is: Excited state configuration of

\mathrm{M}{\mathrm{n}^{2 + }}

\mathrm{CuS}{\mathrm{O}_4}

decolourises on addition of KCN, the product is: The IUPAC name of

{\mathrm{K}_2}\left[ {\mathrm{Ni}{{\left( {\mathrm{CN}} \right)}_4}} \right]