Question

Why does oxygenated blood repels when brought near a strong magnet?​

Answer 1

Answer:

Hemoglobin molecules that contain iron tend to repel from the magnet when attached to oxygen. In contrast, oxygen-depleted hemoglobin molecules are attracted slightly by magnets.

hope this answer is helpful for you.

Answer 2

Oxygen is covalently bound to haemoglobin.

So, when it is deoxygenated , free electrons are there making the haemoglobin paramagnetic.

But oxygenated haemoglobin is diamagnetic due to lack of free electrons. Hence it is repelled

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