Some Basic Concepts Of Chemistry Question 216
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 [CBSE PMT 1998]
Options:
A) 6
B) 1
C) 4
D) 2
Show Answer
Answer:
Correct Answer: C
Solution:
$ \because $ 100gm Hb contain = 0.33gm Fe
$ \therefore $ 67200gm Hb = $ \frac{67200\times 0.33}{100}gm\ Fe $
gm atom of Fe = $ \frac{672\times 0.33}{56}=4 $ .
