Which formula and name combination is incorre | vedclass

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(C) The formula and name combination given in option $(C)$ is incorrect.In the complex $[CoCl_2(en)_2]Cl$,the oxidation state of $Co$ is calculated as

Vedclass · Accepted Answer

$[CoCl_2(en)_2]Cl$ - Dichloridodiethylenediammine cobalt$(II)$ chloride

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(C) The formula and name combination given in option $(C)$ is incorrect.In the complex $[CoCl_2(en)_2]Cl$,the oxidation state of $Co$ is calculated as: $x + 2(-1) + 2(0) = +1$,which gives $x = +3$.Also,the ligand $en$ (ethylenediamine) is a bidentate ligand,so it is named as 'bis(ethylenediamine)'.Therefore,the correct $IUPAC$ name is Dichloridobis(ethylenediamine)cobalt$(III)$ chloride.

Which formula and name combination is incorrect?

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