The formula for the complex chlorodiaquatriaa | vedclass

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Question

(A) $1$. Identify the central metal ion: Cobalt $(Co)$ with oxidation state $+III$.$2$. Identify the ligands: 'triammine' means $3 \ NH_3$,'diaqua' me

Vedclass · Accepted Answer

$[Co(NH_3)_3(H_2O)_2Cl]Cl_2$

Vedclass · Answer

(A) $1$. Identify the central metal ion: Cobalt $(Co)$ with oxidation state $+III$.$2$. Identify the ligands: 'triammine' means $3 \ NH_3$,'diaqua' means $2 \ H_2O$,and 'chloro' means $1 \ Cl^-$.$3$. The coordination sphere is $[Co(NH_3)_3(H_2O)_2Cl]$.$4$. Calculate the charge on the coordination sphere: $x + 3(0) + 2(0) + 1(-1) = +3$,so $x = +4$. Wait,let's re-evaluate: The oxidation state of $Co$ is $+3$. The sum of charges is $3 + 0 + 0 - 1 = +2$. Thus,the complex ion is $[Co(NH_3)_3(H_2O)_2Cl]^{2+}$.$5$. To balance the $+2$ charge,we need $2 \ Cl^-$ ions outside the coordination sphere.$6$. The final formula is $[Co(NH_3)_3(H_2O)_2Cl]Cl_2$.

The formula for the complex chlorodiaquatriaamminecobalt $(III)$ chloride is ...................

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