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Question: Answered & Verified by Expert
An octahedral complex with the formula \(\mathrm{CoCl}_3 \cdot \mathrm{nNH}_3\) upon reaction with excess of \(\mathrm{AgNO}_3\) solution gives 2 moles of \(\mathrm{AgCl}\). Consider the oxidation state of \(\mathrm{Co}\) in the complex is ' \(x\) '. The value of " \(x+n\) " is ______
ChemistryCoordination CompoundsJEE MainJEE Main 2024 (08 Apr Shift 1)
Options:
  • A 6
  • B 8
  • C 3
  • D 5
Solution:
2843 Upvotes Verified Answer
The correct answer is: 8

$\begin{aligned} & \mathrm{x}+0-1-2=0 \\ & \mathrm{x}=+3 \\ & \mathrm{n}=5 \\ & \therefore \mathrm{x}+\mathrm{n}=8\end{aligned}$

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