Identify the oxidation state of the cobalt io | vedclass

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(B) $1$. The complex $[Co(NH_3)_5Br]SO_4$ dissociates into $[Co(NH_3)_5Br]^{2+}$ and $SO_4^{2-}$.$2$. Let the oxidation state of $Co$ be $x$.$3$. The

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$+3$

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(B) $1$. The complex $[Co(NH_3)_5Br]SO_4$ dissociates into $[Co(NH_3)_5Br]^{2+}$ and $SO_4^{2-}$.$2$. Let the oxidation state of $Co$ be $x$.$3$. The oxidation state of $NH_3$ is $0$ and $Br$ is $-1$.$4$. The charge on the complex ion $[Co(NH_3)_5Br]^{2+}$ is $+2$.$5$. Setting up the equation: $x + 5(0) + (-1) = +2$.$6$. Solving for $x$: $x - 1 = +2$, which gives $x = +3$.

Identify the oxidation state of the cobalt ion in the complex $[Co(NH_3)_5Br]SO_4$.

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