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Mole Concept & Avogadro Number

One haemoglob...

Question

One haemoglobin carries how many molecules of $O_{2}$ ?

A

4

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B

2

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C

6

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D

8

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Solution

The correct option is B 4
Hb contains a protein portion called globin and a pigment portion called haem. The haem portion consists of four atoms of iron, each capable of combining with a molecule of $O_{2}$ . Thus, one Hb carries 4 molecules of $O_{2}$ .

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