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  • Which of the following pairs represents linkage isomers ?Option: 1 <img alt="\left [ Cu\left ( NH_{3} \right )_{4} \right ]\left [ PtCl_{4} \right ]\

Which of the following pairs represents linkage isomers ?

Option: 1

\left [ Cu\left ( NH_{3} \right )_{4} \right ]\left [ PtCl_{4} \right ]\ and\ \left [ Pt\left ( NH_{3} \right )_{4} \right ]\left [ CuCl_{4} \right ]


Option: 2

\left [ Pd\left ( PPh_{3} \right )_{2}\left ( NCS \right )_{2} \right ]\: and\: \left [ Pd\left ( PPh_{3} \right )_{2}\left ( SCN \right )_{2} \right ]


Option: 3

\left [ Co\left ( NH_{3} \right )_{5} \left ( NO_{3} \right )\right ]SO_{4}\ and\ \left [ Co\left ( NH_{3} \right )_{5} \left ( SO_{4} \right )\right ]NO_{3}


Option: 4

\left [ PtCl_{2} \left ( NH_{3} \right )_{4}\right ]Br_{2}\ and\ \left [ PtBr_{2} \left ( NH_{3} \right )_{4}\right ]Cl_{2}


Answers (1)

best_answer

As we discussed in the concept

Linkage Isomerism -

This isomerism arises in complexes containing ambidentate ligands.

For example: \left [ Co\left ( NH_{3} \right )_{5}\left (NO_{2} \right ) \right ]Cl_{2} and \left [ Co\left ( NH_{3} \right )_{5}\left (ONO \right ) \right ]Cl_{2}

Complexes having ambidentate ligands like NO^{2-},CN^{-}, SCN^{-}, etc.  can show linkage isomerism.

-

Among the given compounds, 

\left [ Pd(PPh_{3})_{2} \right (NCS)_{2}] and\: \left [ (PPh_{3})_{2}\right(SCN)_{2} ] are linkage isomers of each other.

Therefore, option (2) is correct.

Posted by

chirag

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