KCET · Chemistry · Coordination Compounds
The IUPAC name of \( \left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}\left(\mathrm{NO}_{2}\right)\right] \mathrm{Cl} \) is
- A tetraammine chloridonitrito - N - cobalt(III) chloride
- B tetraammine chloridonitrocobalt (II) chloride
- C tetraammine chloridonitrocobalt (I) chloride
- D tetraammine chloridodinitrocobalt (III) chloride
Answer & Solution
Correct Answer
(A) tetraammine chloridonitrito - N - cobalt(III) chloride
Step-by-step Solution
Detailed explanation
The oxidation number of \(\mathrm{Co}\) in given complex is
\(x+4 \times 0+1(-1)+1(-1)=+1\)
\(x=+3\)
The IUPAC name of the given complex \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}\left(\mathrm{NO}_{2}\right)\right] \mathrm{Cl}\) is tetraamminechloridonitrito-N-cobalt(III) chloride.
\(\mathrm{NO}_{2}^{-}\)is an ambidentate ligand name is nitrito-N means linkage is from \(\mathrm{N}\) atom
\(x+4 \times 0+1(-1)+1(-1)=+1\)
\(x=+3\)
The IUPAC name of the given complex \(\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{4} \mathrm{Cl}\left(\mathrm{NO}_{2}\right)\right] \mathrm{Cl}\) is tetraamminechloridonitrito-N-cobalt(III) chloride.
\(\mathrm{NO}_{2}^{-}\)is an ambidentate ligand name is nitrito-N means linkage is from \(\mathrm{N}\) atom
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