Question 1. The correct order of increasing basic nature for the bases NH3, CH3NH2 and (CH3)2 NH is
Question 2. Aniline first reacts with acetyl chloride producing compound A. A reacts with HNO3H2SO4 mixture and produces comp and B which hydrolyses to compound C. What is the identity of C?
Question 3. Which is most basic?
Question 4. The amine that does not react with acetyl chloride is
Question 5. Nitrogen atom of amino group is ………. hybridised.
Question 6. C3H8N cannot represent
Question 7. Identify the correct IUPAC name
Question 8. The most convenient method to prepare primary (i Amine) amine containing one carbon atom less is
Question 9. When excess of ethyl iodide is treated with ammonia, the product is
Question 10. Amides may be converted into amines by a reaction named after
Question 11. Reduction of CH3CH2NC with hydrogen in presence of Ni or Pt as catalvst gives
Question 12. The compound that will react most readily with NaOH to form methanol is
Question 13. Secondary amines can be prepared by
Question 14. Which of the following amides will give ethylamine on reaction with sodium hypobromide?
Question 15. Primary, secondary and tertiary amines may be separated by using
Question 16. An organic compound (X) was treated with sodium nitrite and HCl in ice cold conditions. Bubbles of nitrogen gas were seen coming out. The compound (X) may be
Question 17. Among the following: I. CH3NH5 II. (CH3)2NH III. (CH3)3N IV. C6H5NH2 Which will give the positive carbylamine test?
Question 18. Cyclohexyiamine is stronger base than aniline become
Question 19. Benzoic acid is treated with SOCl2 and the product (X) formed is reacted with ammonia to give (Y). (Y) on reaction with Br2 and KOH gives (Z). (Z) in the reaction is
Question 20. Amine that cannot be prepared by Gabricl-Phthalmidie synthesis is
Question 21. Tertiary amines have lowest boiling points amongst isomeric amines because
Question 22. Which of the following amines will give carbylatnine reaction?
Question 23. Primary and secondary amines are distinguished by
Question 24. Arrange the following compounds in increasing order of basicity: CH3NH2, (CH3)2 NH, NH3, C6H5NH2
Question 25. Which of the following species are involved in the carbvlamine test? (i) RNC (ii) CHCl3 (iii) COCl2 (iv) NaNO2 + HCl
Question 26. Which of the following from isocyanide on reaction with CHCl and KOH?
Question 27. Which of the following is used as Hinsberg’s reagent?
Question 28. Electrophilic substitution of aniline with bromine water at room temperature gives
Question 29. Among the compounds C3H7NH2, CH3NH2, C2H5NH2, and C6H5NH2. Which is the least basic compound?
Question 30. Anilinium hydrogensulphate on heating with sulphuric acid at 453-473 K produces
Question 31. Which of the following can exist as zwitter ion?
Question 32. Reduction of aromatic nitro-compounds using Sn and HCl gives
Question 33. When aniline is heated with cone. H2SO4 at 455-475 K, it forms
Question 34. Which of the following compounds cannot be identified by carbylamine test?
Question 35. What is obtained when benzoyl chloride reacts with aniline in the presence of sodium hydroxide?
Question 36. Which of the following compounds reacts with NaNO2 and HCl at 0-4°C to give alcohol/phenol?
Question 37. Which of the following has highest pKb value?
Question 38. Acetylation of a secondary amine in alkaline medium yields
Question 39. Which of the following is amphoteric in nature?
Question 40. The amines are basic in nature, hence they form salts with hydrochloric acid. Which of the following will be insoluble in dil. HCl?
Question 41. The strongest base among the following is
Question 42. Which of the following does not react with Hinsberg reagent?
Question 43. Oxidation of aniline with K2Cr2O7/H2SO4 gives
Question 44. Which of the following amines can exhibit enantiomerism?
Question 45. Which of the following: when heated with a mixture of ethanmine and alcoholic potash gives ethyl isocyanide?
Question 46. Which of the following pair of species will yield carbylamine?
Question 47. Which one of the following methods is neither meant for the synthesis nor for separation of amines?
Question 48. C6H5CONHCH3 can be converted into C6H5CH2NHCH3 by
Question 49. C6H5N+2 Cl– + CuCN → C6H5CN + N2 + CuCl. The above chemical reaction is associated with which of the following name:
Question 50. The reaction of aniline with benzoyl chloride gives