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Question: Answered & Verified by Expert
The IUPAC name of $\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5}\left(\mathrm{CO}_{3}\right)\right] \mathrm{Cl}$ is
ChemistryCoordination CompoundsKCETKCET 2021
Options:
  • A pentaamminecarbonatocobalt (III) chloride
  • B carbonatopentamminecobalt (III) chloride
  • C pentaamminecarbonatocobaltate (III) chloride
  • D pentaammine cobalt (III) carbonate chloride
Solution:
1125 Upvotes Verified Answer
The correct answer is: pentaamminecarbonatocobalt (III) chloride
$\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5}\left(\mathrm{CO}_{3}\right)\right] \mathrm{Cl}$
Oxidation state of $\operatorname{Co}(x)$ can be calculated
$\begin{array}{ll}
& x+0+0-3=0 \\
\therefore \quad & x=3
\end{array}$
$\therefore$ The IUPAC name is pentaamminecarbonatocabolt(III)chloride.

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