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NEET2013BotanyMineral NutritionActual

What is the oxidation state of iron in haemoglobin?

Options

  1. AFe ⁻
  2. BFe ²⁺
  3. CFe ³⁺
  4. DFe ⁴⁺

Correct answer

B. Fe ²⁺

Step-by-step solution

RBCs contain haemoglobin. It has four polypeptide chains and four haem groups attached to it or 4 atoms of iron in ferrous form ( Fe ²⁺ ) , thus it can react with 4 molecules of oxygen to form oxyhaemoglobin.

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