Question

Haemoglobin is a chromoprotein having 4 atoms of Fe in each molecule. Analysis showed 0.35% Fe. Hence, its molecular weight is:

Solution

Correct option is

64000

 

When 0.35 g Fe = molar mass is 100

     

                              = 64000

SIMILAR QUESTIONS

Q1

Which of the following has maximum mass?

Q2

The mass of one atom of hydrogen is approximately

Q3

5.6 L of a gas at NTP are found to have a mass of 11 g. The molecular mass of the gas is

Q4

10 mL of a hydrocarbon on complete combustion gave 30 mL of  and 20 mL of  Molecular formula of the hydrocarbon is:

Q5

0.63 g of a dibasic acid neutralises 100 mL of 0.1 N NaOH solution. Molar mass of dibasic acid is:

Q6

Silver salt of a diabasic acid has 27% silver. Molar mass of dibasic acid is:

Q7

Depression in freezing point of 1 molal urea solution is  Depression in freezing point when 0.18 g of a non-electrolyte is added to 10 g water is  Thus, molar mass of the non-electrolyte is:

Q8

Which of the organic compounds will give red colour in Lassaigne test?

Q9

6 g of the organic compound on heating with NaOH gave  which is neutralised by 200 mL of 1 N HCl. Percentage of nitrogen is:

Q10

Tyrosine is one of the amino acids present in protein. Its content in protein is 0.22% and its molecular weight is . Lowest molecular weight of protein is: