Some Basic Concepts Of Chemistry Question 75

Question: Haemoglobin contains 0.33% of iron by weight. The molecular weight of haemoglobin is approximately 67200. The number of iron atoms (at. wt. of Fe =56) present in one molecule of haemoglobin is

Options:

A) 6

B) 1

C) 2

D) 4

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Answer:

Correct Answer: D

Solution:

[d] Weight of Iron in 67200 =0.33100×67200=221.76 Number of atoms of Iron =221.7656=3.96=4



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