CBSE Class 11 Qualitative Analysis of Organic Compounds Worksheet A

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1. In which C – C bond of CH₃CH₂CH₂Br, the inductive effect is expected to be the least?

2. Can you use potassium in place of sodium for fusing an organic compound in Lassaigne’s test?

3. Can you use calcium in place of sodium for fusing an organic compound? 

4. 0.395 g of an organic compound by Carius method for the estimation of sulphur gave 0.582 g of BaSO₄. Calculate the percentage of sculpture in the compound.

5. 0.40g of an organic compound gave 0.3g of Ag Br by Carious method. Find the percentage of bromine in the compound.

6. 0.12g of organic compound containing phosphorus gave 0.22g of Mg₂P₂O₇ by the usual analysis. Calculate the percentage of phosphorus in the compound.

7. Ammonia produced when 0.75g of a substance was kjeldahlized, neutralized 30cm³ of 0.25 N H₂SO₄. Calculate the percentage of nitrogen in the compound.

8. Write the chemical composition of the compound formed when ferric chloride is added containing both N and S.

Click on link below to download CBSE Class 11 Qualitative Analysis of Organic Compounds Worksheet A.