Question
What is the oxidation state of (CoCl6)^3-
Answers
GPT-4o mini
To determine the oxidation state of cobalt (Co) in the complex ion \((\text{CoCl}_6)^{3-}\), we can follow these steps:
1. Let the oxidation state of cobalt be \(x\).
2. Each chloride ion (Cl) has an oxidation state of \(-1\). Since there are 6 chloride ions, their total contribution to the charge is \(6 \times (-1) = -6\).
3. The overall charge of the complex ion \((\text{CoCl}_6)^{3-}\) is \(-3\).
Now we can set up the equation:
\[
x + (-6) = -3
\]
Simplifying this gives:
\[
x - 6 = -3
\]
Adding 6 to both sides:
\[
x = 3
\]
Therefore, the oxidation state of cobalt (Co) in \((\text{CoCl}_6)^{3-}\) is \(+3\).
1. Let the oxidation state of cobalt be \(x\).
2. Each chloride ion (Cl) has an oxidation state of \(-1\). Since there are 6 chloride ions, their total contribution to the charge is \(6 \times (-1) = -6\).
3. The overall charge of the complex ion \((\text{CoCl}_6)^{3-}\) is \(-3\).
Now we can set up the equation:
\[
x + (-6) = -3
\]
Simplifying this gives:
\[
x - 6 = -3
\]
Adding 6 to both sides:
\[
x = 3
\]
Therefore, the oxidation state of cobalt (Co) in \((\text{CoCl}_6)^{3-}\) is \(+3\).