Question

What is the co-ordination number of metal in [Fe(C$_2$O$_4$)$_3$]$^{3-}$?

• A. Two
• B. Three
• C. Six
• D. Four

Answer 1

Answer: (C)

Six

Answer 2

The coordination number of Fe in [Fe(C$_2$O$_4$)$_3$]$^{3-}$ is six, as each oxalate ion is bidentate.