Question bank, S. Y. B. Sc. ,semester -I

1. M.V.P. Samaj
Arts Commerce & Science College, Tryambakeshwar Dist.- Nashik
S. Y. B. Sc. Question Bank 2019-20
Semester- I
Definitions
1. Analytical Chemistry
2. Chemical Analysis
3. Qualitative analysis
4. Quantitative analysis
5. Sampling
6. Error
7. Accuracy
8. Precision
9. Absolute error
10. Relative errors
11. Mean deviation
12. Standard deviation
13. Relative Standard deviation (RSD)
14. Systematic errors
15. Random errors
16. Significant figures
17. Normal distribution curve
18. Common ion effect
19. Solubility product
20. Group reagents of group I to VI
21. Interfering anions
22. Functional group
23. Test for determination of sulphur
24. Test for determination of Nitrogen
25. Test for determination of Halogen
26. Baeyer test
27. Tollen’s reagent
28. Empirical formula
29. Molecular Formula
Long answers questions
1. Write short note on sampling
2. Application of chemical analysis
3. Stages involved in chemical analysis
4. Write factors affecting on chemical analysis
5. Give types of chemical methods of analysis
6. How are samples of gases obtained?
7. How are samples of solid obtained?
8. How are samples of liquids obtained?

2. 9. Give classification of errors in detail.
10. Write a short note on distribution of random errors
11. Write a short note on reliability of results
12. What do you understand by term significant figures? Explain with suitable examples.
13. Explain how errors are minimise
14. Explain use or application of common ion effect in qualitative analysis
15. Explain use or application of solubility product in qualitative analysis
16. Explain theory of interfering anions
17. Removal of phosphate
18. Removable of borate
19. Use of yellow ammonium sulphide in separation of group II
20. Use of NaOH & KOH in separation of group II cations
21. Explain determination of Acid, Base, and Phenols form mixtures
22. How is nitrogen from an organic compound detected using sodium fusion test
23. How is Sulphur from an organic compound detected using sodium fusion test
24. Explain determination of Carbon & Hydrogen from an organic compound.
25. How is Acid detected? Give two characteristics test for carboxylic group
26. How is Acid detected? Give two characteristics test for carboxylic group
27. How is base detected? Give two characteristics test for amines.
28. How is phenol detected? Give two characteristics test for phenolic group
29. Write a short note on Liebig’s methods for estimation of carbon & hydrogen.
30. Write a short note on methods use for estimation of Nitrogen ( Duma’s)
31. Write a short note on methods use for estimation of Nitrogen ( Kjeldahl’s)
32. Write a short note on methods use for estimation of Halogens ( Carius)
33. Give distinguish between molecular formula & empirical formula.
Problems:
1. Absolute errors and relative errors
2. Standard deviation & relative standard deviation
3. Solubility product
4. Problem on estimation of carbon and hydrogen
5. Problem on estimation of nitrogen
6. Problem on estimation of halogen
7. Problem on molecular formula & empirical formula
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