A complex salt can be formed by the combinati | vedclass

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(C) The complex ion $[Co^{III}(NH_3)_5Cl]^X$ has a charge $X$. Given the oxidation state of $Co$ is $+3$,$NH_3$ is $0$,and $Cl$ is $-1$,the charge $X$

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$2Cl^{-}$

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(C) The complex ion $[Co^{III}(NH_3)_5Cl]^X$ has a charge $X$. Given the oxidation state of $Co$ is $+3$,$NH_3$ is $0$,and $Cl$ is $-1$,the charge $X$ is calculated as: $X = (+3) + 5(0) + (-1) = +2$.To form a neutral complex salt,the complex cation $[Co(NH_3)_5Cl]^{2+}$ must combine with two chloride ions $(2Cl^-)$.Therefore,the reaction is: $[Co(NH_3)_5Cl]^{2+} + 2Cl^- \rightarrow [Co(NH_3)_5Cl]Cl_2$.

$A$ complex salt can be formed by the combination of $[Co^{III}(NH_3)_5Cl]^X$ with which of the following?

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