JEE CHEMISTRY MCQ: ORGANIC CHEMISTRY-SOME BASIC PRINCIPLES AND TECHNIQUES

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Ferric ion forms a prussian blue coloured solution due to the formation of:

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Correct option: C

\mathrm{F}{\mathrm{e}_4}{\left[ {\mathrm{Fe}{{\left( {\mathrm{CN}} \right)}_6}} \right]_3}

Option C (

\mathrm{Fe}_4{\left[ {\mathrm{Fe}{{\left( {\mathrm{CN}} \right)}_6}} \right]_3}

) is correct because Prussian blue is formed by the reaction of ferric ions with ferrocyanide ions, resulting in the complex

\mathrm{Fe}_4{\left[ {\mathrm{Fe}{{\left( {\mathrm{CN}} \right)}_6}} \right]_3}

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