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IIT JEE Organic Compounds Containing Nitrogen

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1. Schiffs base on reduction give




2. Which compound is obtained when ethyl isocyanate is hydrolysed?




3. Which of the following is insoluble both in acid and water but soluble in aq caustic alkali?




4. Which of the following compounds is expected to be maximum basic in nature?




5. Aniline black is obtained by the action of aniline with




6. Which of the following cannot show tautomerism ?




7. Which of the following is the most basic?




8. Tertiary nitroalkanes cannot tautomerise because they




9. Urea the first organic compound was synthesised in the laboratory by




10. Shape of amines is




11. Aniline is purified by




12. Which of the following halides cannot be the starting material for preparation of p amines by Gabriel phthalaide reaction?




13. When chloroform primary amine and alcoholic KOH react a bad smelling compound is formed which is




14. Which of the following is a carcinogen?




15. Propionamide when heated with bromine and NaOH givesPropyl amine




16. Aniline is normally purified by




17. Schiffs bax is obtaind by the action of




18. Heisenberg test can be used to distinguish between




19. Amino group in aniline is




20. The reaction of amines with methyl iodide leading to the formation of quarternary ammonium salts is called




21. Aniline condenses with benzaldehyde to give




22. Which of the following is absorbed by HCl?




23. ethyl amine is




24. Which of the following will give a primary amine upon hydrolysis?




25. Diazonium salts are used in the solutions in which they are prepared because they arecorrosive




26. Nitrobenzene when reduced with Sn and HCl gives




27. N-nitrosoamine when warmed with phenol and conc. sulphuric acid gives green colouration. The amine is




28. Acid amides upon treatment with KOH and bromine give amines. The reaction is called




29. Aniline reacts with dl. HCl and HONO at 00C to form




30. Methyl carbylamine is treated with ozone the product formed is




31. In order to produce ethyl isothiocyanate which of the following reagents are required ?




32. Which of the following reagent can be used to convert benzene diazonium chloride to benzene?




33. Which is least reactive to nitratio ?




34. Which of the following amine will not react with benzoyl chloride ?




35. Acetamide is less basic than aniline because




36. Tertiary nitroalkane cannot tautomerise because




37. Which of the following combinations will not yield secondary amine?




38. The main product of bromination of acetanilide in glacial acetic acid is




39. Secondary amine can be produced by




40. The main product of reduction of nitrobenzene with lithium aluminium hydride is




41. Benzoyl chloride reacts with benzenamine in the presence of a base to form




42. An organic compound A reacts with nitrous acid to form N-methyl-N-nitrosoethanamine. A can be obtained by reducation of




43. Which of the following on reaction with chloroform produces carbylamine?




44. Which of the following will not give dinitrogen gas with nitrous acid?




45. Further nitration of nitrobenzene by treatment with nitrating mixture priduces




46. Which of the following species will give methyl orange by reaction with diazonium salt of sodium p-aminobenzene sulphonate ?aniline




47. The main product of the reaction of ethyl bromide and alcoholic of silver nitrite is




48. Which of the following exists as Zwitter ion structure?




49. Which of the following amine is stronger base as compared to ammonia?




50. Which of the following structure can exist as Zwitter isn?




51. Sodalime decarboxylation of sodiumglycinate produces




52. Which of following substance is insoluble in water but gives crystalline precipitate with hydrochloric acid ?




53. When an aqueous solution f ethylamine and iron (III) chloride are mixed




54. Ammonia and phthalic acid react to produce




55. One mole of ethlamine when reacts with nitrous acid will produce dinitrogen gas equal to




56. Sweet spiritof nitre is