MCQ
$\text{IUPAC}$ name for the complex $\left[\mathrm{Cu}\left(\mathrm{NH}_3\right)_4\right] \mathrm{SO}_4$ is:
- ACupramonium sulphate.
- BCopper sulphate tetraamonia.
- ✓Tetrammine copper $(II)$ sulphate.
- DCopper amonium $(IV)$ sulphate.
✓
Answer
Correct option: C.
Tetrammine copper $(II)$ sulphate.
Since $4$ amino groups are present, it will be called as tetrammine.
Since copper$(II)$ is the central metal, it will be tetrammine copper$(II).$ Note that we can determine the oxidation number of copper by charge balance.
Now finally since sulphate is the counter ion, it's full name will be tetrammine copper$(II)$ sulphate.
Since copper$(II)$ is the central metal, it will be tetrammine copper$(II).$ Note that we can determine the oxidation number of copper by charge balance.
Now finally since sulphate is the counter ion, it's full name will be tetrammine copper$(II)$ sulphate.
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