Some Basic Principles Of Organic Chemistry Question 84
Question: 0.2595g of an organic substance in a quantitative analysis yielded 0.35 g of the barium sulphate. The percentage of sulphur in the substance is [CPMT 2000; AFMC 2001; Pb. CET 2000]
Options:
A) 18.52g
B) 182.2 g
C) 17. 5 g
D) 175.2g
Show Answer
Answer:
Correct Answer: A
Solution:
$ %ofS=\frac{32}{233}\times \frac{wt\text{.}ofBaSO_4}{wt\text{.}oforganic,compound}\times 100 $
$ =\frac{32}{233}\times \frac{0.35}{0.2595}\times 100=18.52%gm $ .
