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What is the formula of potassium trioxalatoaluminate(III)?
AK₃[Al(C₂O₄)₃]
BK[Al(C₂O₄)₃]
CK₂[Al(C₂O₄)₃]
DK₃[Al(C₂O₄)₂]
Answer & Solution
Correct answer: A. K₃[Al(C₂O₄)₃]
Al(III) with three oxalate ions of charge -2 gives an anion of charge -3, balanced by three K⁺ ions.
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