Question

When oxyhaemoglobin changes to de-oxyhaenioglobin, $Fe^{2+}$ ion changes from

• A. diamagnetic to paramagnetic
• B. paramagnetic to diamagnetic
• C. diamagnetic to ferromagnetic
• D. paramagnetic to ferromagnetic

Answer 1

Answer: (A)

diamagnetic to paramagnetic

Answer 2

When oxyhaemoglobin changes to deoxyhae-moglobin, $Fe ^{2+}$ ion changes from diamagnetic to paramagnetic.