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AP EAMCET2006Chemistryd and f Block Elements

Which of the following statements is not correct?

Options

  1. AIn oxyhaemoglobin Fe ²⁺ is paramagnetic
  2. BDuring respiration the size of Fe ²⁺ increases when it changes from diamagnetic to paramagnetic state.
  3. CFour heme groups are present in haemoglobin
  4. DHeme is the prosthetic group and it is non-protein part.

Correct answer

A. In oxyhaemoglobin Fe ²⁺ is paramagnetic

Step-by-step solution

In oxyhaemoglobin Fe ²⁺ is not paramagnetic.

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