K₃[Al(C₂O₄)₃] is called

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Potassium trioxalatoaluminate (VI)

Potassium aluminium (III) oxalate

Potassium trioxalatoaluminate (III)

Potassium aluminooxalate

answer is B.

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Detailed Solution

Potassium trioxalatoaluminate (III)

Explanation:

Identification of Ions:
- Cation: Three potassium ions (K⁺).
- Anion: The complex ion [Al(C₂O₄)₃]³⁻.
Naming the Complex Ion:
- Ligand: The oxalate ion (C₂O₄²⁻) is a bidentate ligand, named as 'oxalato'.
- Quantity of Ligands: Three oxalate ligands are present, denoted by the prefix 'tri'.
- Central Metal Ion: Aluminum (Al) in an anionic complex is named 'aluminate'.
- Oxidation State: The oxidation state of aluminum is +3, represented as '(III)'.
Constructing the Name:
- Cation: 'Potassium'
- Anion: 'Trioxalatoaluminate (III)'
- Full Name: Potassium trioxalatoaluminate (III).