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Question
How many ions are produced from the complex Co(NH3)6Cl2 in solution?
Options
6
4
3
2
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Solution
3
Explanation:
The complex is written as:
[Co(NH3)6]Cl2
In solution, it dissociates as:
\[\ce{[Co(NH3)6]Cl2 -> [Co(NH3)6]^{2+} + 2Cl^-}\]
Thus, total ions produced = 1 complex ion + 2 chloride ions = 3 ions.
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