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What is the oxidation state of iron in haemoglobin ?A. `Fe^(-)`B. `Fe^(2+)`C. `Fe^(3+)`D. `Fe^(4+)` |
Answer» Correct Answer - B RBCs contain haemoglobin. It is four polypeptide chains and four haem groups attached to it or 4 atoms in iron in ferrous form `(Fe^(2+))`, thus it can react with 4 molecules of oxygen to form oxyhaemoglobin. |
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