The correct formula of diammine dichlorodicya | vedclass

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Question

(D) The complex is named as diammine dichlorodicyano chromate $(III)$.$1$. The central metal is Chromium $(Cr)$ with an oxidation state of $+3$.$2$. T

Vedclass · Accepted Answer

$[CrCl_2(CN)_2(NH_3)_2]^{-}$

Vedclass · Answer

(D) The complex is named as diammine dichlorodicyano chromate $(III)$.$1$. The central metal is Chromium $(Cr)$ with an oxidation state of $+3$.$2$. The ligands are: two ammine ($NH_3$,neutral),two chloro ($Cl^-$,charge $-1$),and two cyano ($CN^-$,charge $-1$).$3$. The total charge on the coordination entity is calculated as: $Charge = (Oxidation \ state \ of \ Cr) + (Charge \ of \ ligands) = (+3) + 2(0) + 2(-1) + 2(-1) = 3 - 2 - 2 = -1$.$4$. Therefore,the formula is $[CrCl_2(CN)_2(NH_3)_2]^{-}$.

The correct formula of diammine dichlorodicyano chromate $(III)$ is

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