Home › NEET UG › Chemistry › Coordination Compounds › In K₃[Fe(C₂O₄)₃], the oxidation state of Fe is:
In K₃[Fe(C₂O₄)₃], the oxidation state of Fe is:
A+2
B+6
C+3
D+1
Answer & Solution
Correct answer: C. +3
Charge balance: 3(+1) [K] + x [Fe] + 3(−2) [oxalate, each is −2] = 0 → 3 + x − 6 = 0 → **x = +3**. So Fe(III) in K₃[Fe(C₂O₄)₃].
Related questions
Which of the following is TRUE about a double salt vs a complex?The correct IUPAC name of [NiCl₂(PPh₃)₂] isThe coordination sphere of K₄[Fe(CN)₆] isThe correct order of ligand denticity, from smallest to largest, isChelate complexes tend to be more stable than similar complexes with unidentate ligands. TThe primary and secondary valences of Co in [Co(NH₃)₆]Cl₃ are respectivelyWhich of the following is a homoleptic complex?Which coordination polyhedron does [Ni(CO)₄] adopt?