Some Basic Principles Of Organic Chemistry Question 109
Question: How much sulphur is present in organic compound if on analysis 0.53 gm of this compound gives 1.158 gm of $ BaSO_4 $ [Kerala CET 2005]
Options:
A) 10%
B) 15%
C) 20%
D) 25%
E) 30%
Show Answer
Answer:
Correct Answer: E
Solution:
Percentage of sulphur $ =\frac{32}{233}\times \frac{\text{mass of }BaSO_4}{\text{mass of organic compound}}\times 100 $
$ =\frac{32}{233}\times \frac{1.158}{0.53}\times 100=30% $