Question

IUPAC name of complex $K_3\left[Al\right(C_2{O}_4{)}_3]$ is:

• A. potassium alumino-oxalate
• B. potassium trioxalatoaluminate (III)
• C. potassium aluminium (III) oxalate
• D. potassium trioxalatoaluminate (IV)

Answer 1

Answer: (B)

potassium trioxalatoaluminate (III)

$C_2{O}_4^{2-}$ is oxalato ion. In given complex oxidation state of aluminium is +3. So the IUPAC name is potassium trioxalatoaluminate(III).