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MHT CET202616 April 2026Morning ShiftChemistryBiomoleculesActual

Which of the following ionic species is present in hemoglobin and responsible for transformation of oxygen ?

Options

  1. ACa ⁺²
  2. BCo ⁺³
  3. CFe ⁺³
  4. DMg ⁺²

Correct answer

C. Fe ⁺³

Step-by-step solution

Hemoglobin is an iron-containing metalloprotein found in red blood cells, responsible for the transport of oxygen in the body. The central metal ion in the heme group of hemoglobin is iron (specifically Fe ⁺² in its active state). Among the given options, the iron species is the correct choice. Answer: Fe ⁺³

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