Practice Sulphur (8.10.4) - Organic chemistry – some Basic Principles and Techniques

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6 sample questions

Question 1.
What is the purpose of estimating sulphur in organic compounds?
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Think about how sulphur affects molecular interactions.
Question 2.
Describe the process of the Carius method.
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Break it down into the main steps.
3Question 3.
What does the Carius method primarily measure?
- Carbon content
- Hydrogen content
- Sulphur content
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Focus on the main objective of the method.
4Question 4.
True or False: The Carius method can also estimate nitrogen.
- True
- False
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Consider what each method is designed to measure.
Question 5.
An organic compound weighing 0.3 g is treated and yields 0.453 g of barium sulphate. Calculate the percentage of sulphur in the organic compound.
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Use the standard formula for converting mass of BaSO4 into mass of sulphur.
Question 6.
How can you modify the Carius method to make it more efficient for small sample sizes?
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Smaller amounts of reagents while ensuring complete reaction are key.

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