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If 0.32 g of an organic compound containing sulphur produces 0.233g of BaSO₄. Then the percentage of sulphur in it is
- a)10
- b)15
- c)20
- d)25
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
If 0.32 g of an organic compound containing sulphur produces 0.233g of...
Given information:
- Mass of organic compound containing sulphur = 0.32 g
- Mass of BaSO4 produced from the combustion of this compound = 0.233 g
To find: Percentage of sulphur in the organic compound
Solution:
1. Write the balanced chemical equation for the combustion of the organic compound containing sulphur in the presence of excess oxygen:
Organic compound containing sulphur + excess O2 → CO2 + H2O + SO2
2. Calculate the number of moles of BaSO4 produced:
- Molar mass of BaSO4 = 233.4 g/mol (atomic masses: Ba = 137.3 g/mol, S = 32.1 g/mol, O = 16.0 g/mol x 4)
- Moles of BaSO4 = mass/molar mass = 0.233/233.4 = 0.001 moles
3. Calculate the number of moles of sulphur in the organic compound:
- From the balanced chemical equation, 1 mole of the organic compound containing sulphur produces 1 mole of SO2
- Moles of SO2 = Moles of BaSO4 = 0.001 moles
- Moles of sulphur = Moles of SO2 = 0.001 moles
4. Calculate the percentage of sulphur in the organic compound:
- Mass of sulphur = Moles of sulphur x molar mass of sulphur = 0.001 x 32.1 = 0.0321 g
- Percentage of sulphur = (Mass of sulphur/Mass of organic compound) x 100 = (0.0321/0.32) x 100 = 10%
Therefore, the percentage of sulphur in the organic compound is 10%. Hence, option (A) is the correct answer.
- Mass of organic compound containing sulphur = 0.32 g
- Mass of BaSO4 produced from the combustion of this compound = 0.233 g
To find: Percentage of sulphur in the organic compound
Solution:
1. Write the balanced chemical equation for the combustion of the organic compound containing sulphur in the presence of excess oxygen:
Organic compound containing sulphur + excess O2 → CO2 + H2O + SO2
2. Calculate the number of moles of BaSO4 produced:
- Molar mass of BaSO4 = 233.4 g/mol (atomic masses: Ba = 137.3 g/mol, S = 32.1 g/mol, O = 16.0 g/mol x 4)
- Moles of BaSO4 = mass/molar mass = 0.233/233.4 = 0.001 moles
3. Calculate the number of moles of sulphur in the organic compound:
- From the balanced chemical equation, 1 mole of the organic compound containing sulphur produces 1 mole of SO2
- Moles of SO2 = Moles of BaSO4 = 0.001 moles
- Moles of sulphur = Moles of SO2 = 0.001 moles
4. Calculate the percentage of sulphur in the organic compound:
- Mass of sulphur = Moles of sulphur x molar mass of sulphur = 0.001 x 32.1 = 0.0321 g
- Percentage of sulphur = (Mass of sulphur/Mass of organic compound) x 100 = (0.0321/0.32) x 100 = 10%
Therefore, the percentage of sulphur in the organic compound is 10%. Hence, option (A) is the correct answer.
Community Answer
If 0.32 g of an organic compound containing sulphur produces 0.233g of...
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If 0.32 g of an organic compound containing sulphur produces 0.233g of BaSO₄. Then the percentage of sulphur in it isa)10b)15c)20d)25Correct answer is option 'A'. Can you explain this answer?
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If 0.32 g of an organic compound containing sulphur produces 0.233g of BaSO₄. Then the percentage of sulphur in it isa)10b)15c)20d)25Correct answer is option 'A'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about If 0.32 g of an organic compound containing sulphur produces 0.233g of BaSO₄. Then the percentage of sulphur in it isa)10b)15c)20d)25Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If 0.32 g of an organic compound containing sulphur produces 0.233g of BaSO₄. Then the percentage of sulphur in it isa)10b)15c)20d)25Correct answer is option 'A'. Can you explain this answer?.
If 0.32 g of an organic compound containing sulphur produces 0.233g of BaSO₄. Then the percentage of sulphur in it isa)10b)15c)20d)25Correct answer is option 'A'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about If 0.32 g of an organic compound containing sulphur produces 0.233g of BaSO₄. Then the percentage of sulphur in it isa)10b)15c)20d)25Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If 0.32 g of an organic compound containing sulphur produces 0.233g of BaSO₄. Then the percentage of sulphur in it isa)10b)15c)20d)25Correct answer is option 'A'. Can you explain this answer?.
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