KU Warangal Model Question Paper BSc Practical Paper : Kakatiya University

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B.Sc. III Year Practical Paper III (Organic Chemistry, 2010-11 onwards)
Experiments – Question Bank

A (1) Prepare a pure sample of phenyl azo ß-naphthol.
(Or) Prepare a pure sample of p-bromo acetanilide from acetanilide.
(2) Prepare a pure sample of benzoic acid from benzyl chloride.
(Or) Prepare a pure sample of p-bromoacetanilide from acetanilide.
(3) Prepare a pure sample of ß-naphthyl methyl ether
(Or) Prepare a pure sample of m-nitro aniline from m- benzene.
(4) Prepare a pure sample of nitrobenzene from benzene.
(Or) Prepare a pure sample of p-bromoacetanilide from acetanilide.
(5) Prepare a pure sample of p-bromoacetanilide from acetanilide.
(Or) Prepare a pure sample of neroline from ß-naphthol.
(6) Prepare a pure sample of nitrobenzene from benzene.
(Or) Prepare a pure sample of Benzoyl aniline.
(7) Prepare a pure sample of ß-naphthylmethyl ether from ß-naphthol.
(Or) Prepare a pure sample of nitrobenzene from benzene.
(8) Prepare a pure sample of benzilidine aniline from benzaldehyde.
(Or) Prepare a pure sample of ß-naphthyl methyl ether from ß-naphthol.
(9) Prepare a pure sample of methyl p-nitrobenzoate from p-nitrobenzoic acid.
(Or) Prepare a pure sample of p-bromoacetanilide from acetanilide.
(10) Prepare a pure sample of 2,4,6-tribromophenol.
(Or) Prepare a pure sample of benzoic acid from benzyl chloride.
(11) Prepare a pure sample of p-bromoacetanilide from acetanilide.
(Or) Prepare a pure sample of benzoic acid from benzyl chloride.
(12) Prepare a pure sample of benzanilide from aniline.
(Or) Prepare a pure sample of ß-naphthyl methyl ether from ß-naphthol.

Question Bank – Objectivity type
1. How do you distinguish an aliphatic compound from an aromatic compound?
2. Define Boiling point.
3. What is the use of a separating funnel?
4. Write the equation for the carbylamine test.
5. Write the equation for the preparation of derivative for aniline.
6. Write the reaction of aniline with cold sodium nitrite and dilute HCl.
7. Why do you get an unpleasant smell during carbylamine reaction?
8. Write Schotten Baumann reaction.
9. How do you prepare diazonium chloride solution?
10. How do you perform azodye test?
11. Write the equation for the reaction of aniline with Br2 in aqueous medium.
12. Write the solubility classification for an aromatic primary amine.
13. Give an identification test for primary amine.
14. Write an example for an aliphatic tertiary amine.
15. What is the distinguishing test for phenol?
16. Why phenolic compounds are soluble in dilute aqueous sodium hydroxide solution?
17. Write an equation for the preparation of benzoyl derivative of phenol.
18. What is the product formed when phenol is treated with bromine in water?
19. Why phenols are more acidic than alcohols?
20. Write the structure of phenolphthalein.
21. What is the product formed when ß–naphthol reacts with benzoyl chloride in basic medium?
22. Write the solubility classification for phenol.
23. Write the equation for the preparation of a derivative for phenol.
24. Write the structure of phenyl-azo-2-naphthol.
25. Write an equation for the preparation of a derivative for glucose.
26. What is the composition of Fehling’s reagent?
27. What is the composition of Tollen’s reagent?
28. Name the reagent used for the preparation of m-nitroaniline from m-dinitrobenzene.
29. How do you prepare Tollen’s reagent in the laboratory?
30. Write the structures of D-glucose and L-glucose.
31. Write the equation for the reaction between glucose and phenyl hydrazine.
32. Why do you get a red precipitate when glucose is treated with Fehling’s solution?
33. Why glucose forms silver mirror when treated with Tollen’s reagent?
34. How do you perform Molisch test?
35. What is the composition of Molisch reagent?
36. Write the structure of glucosazone.
37. Write the Haworth ring structure for glucose.