K3[Al(C2O4)3] is called :
Correct answer: B. Potassium trioxalatoaluminate(III)
- A. Potassium Alumino oxalate
- B. Potassium trioxalatoaluminate(III)
- C. Potassium aluminium(III) oxalate
- D. Potassium trioxalato aluminate(VI)
Explanation
Following IUPAC nomenclature rules for coordination compounds: the cation (Potassium) is named first. The complex anion is named with the ligands first (trioxalato). followed by the metal name with an "-ate" suffix (aluminate) and its oxidation state in Roman numerals (III).
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About Transition Elements
Transition elements are identified by their partially filled d subshells in atoms or common ions. The topic covers the electronic structure of d-block elements, including the filling order of 4s and 3d orbitals, variable oxidation states and the distinction between transition elements and elements with completely filled d subshells.
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