Unit 13 » Amines- MCQs (12th) | Chemistry | Objective Questions- 12th

Multiple Choice

ID- 14718

BSEB, 2020 (A)

1. Which of the following is the strongest base?

(A) $\ce{NH3}$
(B) $\ce{CH3 – NH2}$
(C) $\ce{(CH3)2 – NH}$
(D) $\ce{(CH3)3 – N}$

Oct 03, 2022 at 06:38 AM

Multiple Choice

ID- 14719

BSEB, 2020 (A)

2. Number of pi (π) bonds in aniline is:

(A) 0
(B) 1
(C) 2
(D) 3

Oct 03, 2022 at 06:40 AM

Multiple Choice

ID- 14720

BSEB, 2020 (A)

3. —CONH2 group is known as:

(A) Amindo group
(B) Amino group
(C) Imino group
(D) Carbyl amine

Oct 03, 2022 at 06:43 AM

Multiple Choice

ID- 14721

4. Nitrogen atom of amino group is .......... hybridised.

(A) $\ce{sp}$
(B) $\ce{sp^2}$
(C) $\ce{sp^3}$
(D) $\ce{sp^3d}$

Oct 03, 2022 at 06:53 AM

Multiple Choice

ID- 14722

5. $\ce{C3H9N}$ cannot represent

(A) 1° ammine
(B) 2° ammine
(C) 3° ammine
(D) quarternary ammonium salt

Oct 03, 2022 at 06:55 AM

Multiple Choice

ID- 14723

BSEB, 2021 (A)

6. Which is the most basic?

(A) $\ce{C6H5NH2}$
(B) $\ce{(C6H5)2NH}$
(C) $\ce{CH3NH2}$
(D) $\ce{(CH3)2NH}$

Oct 03, 2022 at 06:57 AM

Multiple Choice

ID- 14724

7. The most convenient method to prepare primary (1° Amine) amine containing one carbon atom less is:

(A) Gabriel phthalmidie synthesis
(B) reductive amination of aldehydes
(C) Hofmann bromamide reaction
(D) reduction of isonitriles

Oct 03, 2022 at 07:00 AM

Multiple Choice

ID- 14725

8. When excess of ethyl iodide is treated with ammonia, the product is:

(A) ethylamine
(B) diethylamine
(C) triethylamine
(D) tetraethylammonium iodide

Oct 03, 2022 at 07:02 AM

Multiple Choice

ID- 14726

9. Amides may be converted into amines by a reaction named after

(A) Hofmann Bromide
(B) Claisen
(C) Perkin
(D) Kukule

Oct 03, 2022 at 07:04 AM

Multiple Choice

ID- 14727

10. Reduction of $\ce{CH3CH2NC}$ with hydrogen in presence of Ni or Pt as catalyst gives

(A) $\ce{CH3CH2NH2}$
(B) $\ce{CH3CH2NHCH3}$
(C) $\ce{CH3CH2NHCH2CH3}$
(D) $\ce{(CH3)3N}$

Oct 03, 2022 at 07:07 AM

Multiple Choice

ID- 14728

11. Secondary amines can be prepared by:

(A) reduction of nitro compounds
(B) oxidation of N-substituted amides
(C) reduction of isonitriles
(D) reduction of nitriles

Oct 03, 2022 at 07:09 AM

Multiple Choice

ID- 14729

12. Which of the following amides will give ethylamine on reaction with sodium hypobromide?

(A) Butanamide
(B) Propanamide
(C) Acetamide
(D) Benzamide

Oct 03, 2022 at 07:10 AM

Multiple Choice

ID- 14730

13. Benzoic acid is treated with $\ce{SOCl2}$ and the product $\ce{(X)}$ formed is reacted with ammonia to give $\ce{(Y)}$. $\ce{(Y)}$ on reaction with $\ce{Br2}$ and $\ce{KOH}$ gives $\ce{(Z)}$. $\ce{(Z)}$ in the reaction is:

(A) aniline
(B) chlorobenzene
(C) benzamide
(D) benzoyl chloride

Oct 03, 2022 at 07:14 AM

Multiple Choice

ID- 14731

14. Amine that cannot be prepared by Gabriel-phthalmidie synthesis is:

(A) aniline
(B) benzyl amine
(C) methyl amine
(D) iso-butylamine

Oct 03, 2022 at 07:19 AM

Multiple Choice

ID- 14732

BSEB, 2009, 2021 (A)

15. Methylamine can be prepared by:

(A) Wurtz reaction
(B) Hofmann bromamide reaction
(C) Friedel-Crafts reaction
(D) None of these

Oct 03, 2022 at 07:21 AM

Multiple Choice

ID- 14733

16. Which of the following amines will give carbylamine reaction?

(A) $\ce{(C2H5)3N}$
(B) $\ce{(C2H5)2NH}$
(C) $\ce{C2H5NH2}$
(D) $\ce{C3H7NHC2H5}$

Oct 03, 2022 at 07:23 AM

Multiple Choice

ID- 14734

17. The end product $\ce{Z}$ of the reaction: Ethylamine $\ce{->[HNO2]X->[PCl5]Y->[KCN]Z.Z}$ is:

(A) propanenitrile
(B) triethylamine
(C) diethylamine
(D) propylamine

Oct 03, 2022 at 07:28 AM

Multiple Choice

ID- 14785

18. Arrange the following compounds in increasing order of basicity:$\ce{CH3NH2(CH3)2NH,NH3,}$$\ce{C6H5NH2}$

(A) $\ce{C6H5NH2 < NH3 < (CH3)2NH }$$\ce{< CH3NH2}$
(B) $\ce{CH3NH2 < (CH3)2NH < NH3 }$$\ce{< C6H5NH2}$
(C) $\ce{C6H5NH2 < NH3 < CH3NH2 }$$\ce{< (CH3)2NH}$
(D) $\ce{(CH3)2NH < CH3NH2 < NH3 }$$\ce{< C6H5NH2}$

Oct 03, 2022 at 08:30 PM

Multiple Choice

ID- 14786

19. Primary and secondary amines are distinguished by:

(A) $\ce{Br2/KOH}$
(B) $\ce{HClO}$
(C) $\ce{HNO2}$
(D) $\ce{NH3}$

Oct 03, 2022 at 08:32 PM

Multiple Choice

ID- 14787

20. Identify $\ce{'Z'}$ in the sequence?$\ce{C6H5NH2 ->[NaNO2+HCl][273K]X}$$\ce{ ->[CuCN]Y ->[H^+/H2O][Boil]Z}$

(A) $\ce{C6H5CN}$
(B) $\ce{C6H5CONH2}$
(C) $\ce{C6H5COOH}$
(D) $\ce{C6H5CH2NH2}$

Oct 03, 2022 at 08:37 PM

Multiple Choice

ID- 14788

21. Which of the following form isocyanide on reaction with $\ce{CHCl3}$ and $\ce{KOH}$?

(A) $\ce{C6H5NHCH3}$
(B) $\ce{CH3C6H4NH2}$
(C) $\ce{C6H5NHC4H9}$
(D) $\ce{C6H5N (C2H5)2}$

Oct 03, 2022 at 08:40 PM

Multiple Choice

ID- 14789

22. Which of the following is used as Hinsberg's reagent?

(A) $\ce{C6H5SO2Cl}$
(B) $\ce{C6H5SO3H}$
(C) $\ce{C6H5NHCH3}$
(D) $\ce{C6H5COCH3}$

Oct 03, 2022 at 08:43 PM

Multiple Choice

ID- 14790

23. Electrophilic substitution of aniline with bromine-water at room temperature gives

(A) 2-bromoanline
(B) 3-bromoaniline
(C) 2, 4, 6-tribromoaniline
(D) 3, 5, 6-tribromoanline

Oct 04, 2022 at 06:04 AM

Multiple Choice

ID- 14791

24. Among the compounds $\ce{C3H7NH2, CH3NH2, C2H5NH2}$ and $\ce{C6H5NH2}$. Which is the least basic compound?

(A) $\ce{CH3NH2}$
(B) $\ce{C2H5NH2}$
(C) $\ce{C3H7NH2}$
(D) $\ce{C6H5NH2}$

Oct 04, 2022 at 06:07 AM

Multiple Choice

ID- 14792

25. Anilinium hydrogensulphate on heating with sulphuric acid at 453-473 K produces:

(A) sulphanilic acid
(B) benzenesulphonic acid
(C) aniline
(D) anthranilic acid

Oct 04, 2022 at 06:10 AM

Multiple Choice

ID- 14793

26. Which of the following can exist as zwitter ion?

(A) $\ce{p}$-Aminoacetophenone
(B) Sulphanilic acid
(C) $\ce{p}$-Nktroaminobenzene
(D) $\ce{p}$-Methoxyphenol

Oct 04, 2022 at 06:13 AM

Multiple Choice

ID- 14794

27. Reduction of aromatic nitro compounds using $\ce{Sn}$ and $\ce{HCl}$ gives:

(A) aromatic primary amines
(B) aromatic secondary amines
(C) aromatic tertiary amines
(D) aromatic amides

Oct 04, 2022 at 06:15 AM

Multiple Choice

ID- 14795

28. When aniline is heated with conc. $\ce{H2SO4}$ at 455-473 K, it forms

(A) aniline hydrogensulphate
(B) sulphanilic acid
(C) amino benzene sulphonic acid
(D) benzenesulphonic acid

Oct 04, 2022 at 06:17 AM

Multiple Choice

ID- 14796

29. Which of the following compounds cannot be identified by carbylamine test?

(A) $\ce{CH3CH2NH2}$
(B) $\ce{(CH3)2CHNH2}$
(C) $\ce{C6H5NH2}$
(D) $\ce{C6H5NHC6H5}$

Oct 04, 2022 at 06:19 AM

Multiple Choice

ID- 14797

30. What is obtained when benzoyl chloride reacts with aniline in the presence of sodium hydroxide?

(A) Benzoic acid
(B) Benzanilide
(C) Acetanilide
(D) Azobenzene

Oct 04, 2022 at 06:21 AM

Multiple Choice

ID- 14798

31. Which of the following compounds reacts with $\ce{NaNO2}$ and $\ce{HCl}$ at 0-4°C to give alcohol/phenol?

(A) $\ce{C6H5NH2}$
(B) $\ce{C2H5NH2}$
(C) $\ce{CH3NHCH3}$
(D) $\ce{C6H5NHCH3}$

Oct 04, 2022 at 06:24 AM

Multiple Choice

ID- 14799

32. Which of the following has highest $\ce{pK_b}$ value?

(A) $\ce{(CH3)3CNH2}$
(B) $\ce{NH3}$
(C) $\ce{(CH3)2NH}$
(D) $\ce{CH3NH2}$

Oct 04, 2022 at 06:26 AM

Multiple Choice

ID- 14800

33. Acetylation of a secondary amine in alkaline medium yields

(A) N, N-dialkyl acetamide
(B) N, N-dialkyl amine
(C) N, N-dialkyl amide
(D) acetyl dialkyl amine

Oct 04, 2022 at 06:29 AM

Multiple Choice

ID- 14801

34. The amines are basic in nature, hence they form salts with hydrochloric acid. Which of the following will beinsoluble in dil. $\ce{HCl}$?

(A) $\ce{C6H5NH2}$
(B) $\ce{(C6H5)3N}$
(C) $\ce{C2H5NH2}$
(D) $\ce{CH3NHCH3}$

Oct 04, 2022 at 06:32 AM

Multiple Choice

ID- 14802

35. Primary, secondary and tertiary amines may be seperated by using

(A) iodoform
(B) diethyloxalate
(C) benzene sulphonyl chloride
(D) acetyl chloride

Oct 04, 2022 at 06:34 AM

Multiple Choice

ID- 14803

36. cyclohexylamine is stronger base than aniline become:

(A) in aniline electron pair is involved in conjugation
(B) in cyclohexylamine electron pair is involved conjugation
(C) in aniline-$\ce{NH2}$ group is protonated
(D) in cyclohexylamine nitrogen has a negative charge

Oct 04, 2022 at 06:56 AM

Multiple Choice

ID- 14804

37. The strongest base among the following is:

(A) $\ce{C6H5NH2}$
(B) $\ce{p-NH2C6H4NH}$
(C) $\ce{m-NO2C6H4NH2}$
(D) $\ce{C6H5CH2NH2}$

Oct 04, 2022 at 06:57 AM

Multiple Choice

ID- 14805

38. Which of the following amines does not react with Hinsberg reagent?

(A) $\ce{CH3CH2—NH2}$
(B) $\ce{CH3—NH—CH3}$
(C) $\ce{(CH3CH2)3N}$
(D) All of these

Oct 04, 2022 at 06:59 AM

Multiple Choice

ID- 14806

39. Among the following the weakest base is:

(A) $\ce{CH3NHCHO}$
(B) $\ce{C6H5CH2NH2}$
(C) $\ce{NO2CH2NH2}$
(D) $\ce{C6H5CH2NHCH3}$

Oct 04, 2022 at 07:02 AM

Multiple Choice

ID- 14807

40. Primary and secondary amines react with acid chloride or acid anhydride to form

(A) tertiaryammonium salts
(B) substitution amides
(C) diazonium salts
(D) nitro compounds

Oct 04, 2022 at 07:04 AM

Multiple Choice

ID- 14808

BSEB, 2019 (A)

41. The hybridisation of $\ce{N}$ in $\ce{NH3}$ is:

(A) $\ce{sp^3}$
(B) $\ce{sp^2}$
(C) $\ce{sp}$
(D) $\ce{d^2sp^3}$

Oct 04, 2022 at 07:07 AM

Multiple Choice

ID- 14809

BSEB, 2019 (A)

42. Ammonia changes the moist red litmus paper into:

(A) Blue
(B) Green
(C) Black
(D) White

Oct 04, 2022 at 07:08 AM

Multiple Choice

ID- 14810

43. Benzenediazonium chloride cannot be stored and is used immediately after its preparation because

(A) it slowly evaporates on storage
(B) it is very unstable and dissociates to give nitrogen
(C) it gets oxidised
(D) it reacts with all the containers in which it is stored

Oct 04, 2022 at 07:20 AM

Multiple Choice

ID- 14811

44. Which of the following is not a property of diazonium salts?

(A) Diazonium salts are colourless crystalline solids
(B) Being ionic in nature they are soluble in water
(C) Most of these salts explode when dried
(D) The aqueous solution of these salts are poor conductors electricity

Oct 04, 2022 at 07:24 AM

Multiple Choice

ID- 14812

BSEB, 2021 (A)

45. Which one is capable of forming zweitterion?

(A) $\ce{CH3NO2}$
(B) $\ce{CH3COOH}$
(C) $\ce{CH3CH2NH2}$
(D) $\ce{H2NCH2COOH}$

Oct 04, 2022 at 07:31 AM

Multiple Choice

ID- 14813

BSEB, 2021 (A)

46. $\ce{CH3CN}$ on reduction gives:

(A) $\ce{CH4}$
(B) $\ce{CH3COOH}$
(C) $\ce{C2H5NH2}$
(D) $\ce{C2H5COOH}$

Oct 04, 2022 at 07:32 AM

Multiple Choice

ID- 14814

47. In diazotisation reaction with $\ce{NaNO2}$ and $\ce{HCl}$ an excess of $\ce{HCl}$ is used to:

(A) supress the formation of acetanilide
(B) supress the concentration of free aniline available for coupling
(C) maintaining the $\ce{pH}$ of the reaction
(D) prevent the formation of anilinium ion

Oct 04, 2022 at 07:40 AM

Multiple Choice

ID- 14815

48. The coupling reaction of aryldiazonium chloride with aniline are carried out in

(A) strongly acidic medium
(B) strongly basic medium
(C) mild basic medium
(D) mild acidic medium

Oct 04, 2022 at 07:42 AM

Multiple Choice

ID- 14816

49. Which of the following is correct method to convert $\ce{p}$-toludine to $\ce{p}$-toluic acid?

(A) Diazotisation, $\ce{CuCN, H2/Pd}$
(B) $\ce{CHCl3/NaOH, KCN, Sn/HCl}$
(C) Diazotisation, $\ce{CuCN/KCN, H2O/H^+}$
(D) Diazotisation, $\ce{NaCN, NaOH}$

Oct 04, 2022 at 07:46 AM

Multiple Choice

ID- 14817

50. Which of the following is a 3° amine?

(A) 1-Methylcyclohexylamine
(B) Triethylamine
(C) tert-Butylamine
(D) N-Methylaniline

Oct 04, 2022 at 07:57 AM

Multiple Choice

ID- 14818

51. The correct $\ce{IUPAC}$ name for $\ce{CH2 = CHCH2NHCH3}$ is

(A) allylmethylamine
(B) 2-amino-4-pentene
(C) 4-aminopent-1-ene
(D) N-Methylprop-2-ene-1-amine

Oct 04, 2022 at 07:59 AM

Multiple Choice

ID- 14819

52. Amongst the following, the strongest base in aqueous medium is ..........

(A) $\ce{CH3NH2}$
(B) $\ce{NCCH2NH2}$
(C) $\ce{(CH3)2NH}$
(D) $\ce{C6H5NHCH3}$

Oct 04, 2022 at 08:01 AM

Multiple Choice

ID- 14820

BSEB, 2021 (A)

53. Primary amine is detected by:

(A) $\ce{HCl}$
(B) $\ce{CHCl3 + KOH}$
(C) $\ce{NaOH}$
(D) $\ce{CHCl3}$

Oct 04, 2022 at 08:04 AM

Multiple Choice

ID- 14856

54. The source of nitrogen in Gabriel synthesis of amino

(A) sodium azide, $\ce{NaN3}$
(B) sodium nitrite, $\ce{NaNO2}$
(C) potassium cyanide, $\ce{KCN}$
(D) potassium phthalmidie, $\ce{C6H4 (CO)2N^–K^+}$

Oct 04, 2022 at 06:00 PM

Multiple Choice

ID- 14857

55. The best reagent for converting 2-phenylpropanamine into 2-phenylpropanamine is ..........

(A) excess $\ce{H2}$
(B) $\ce{Br2}$ in aqueous $\ce{NaOH}$
(C) iodine in the presence of red phosphorus
(D) $\ce{LiAlH4}$ in either

Oct 04, 2022 at 06:04 PM

Multiple Choice

ID- 14858

56. The best reagent for converting, 2-phenylpropanamine into 1-phenylethanamine is ..........

(A) excess $\ce{H2/Pt}$
(B) $\ce{NaOH/Br2}$
(C) $\ce{NaBH4/methanol}$
(D) $\ce{LiAlH4/ether}$

Oct 04, 2022 at 06:07 PM

Multiple Choice

ID- 14859

57. Hofmann bromamide degradation reaction is showing ..........

(A) $\ce{ArNH2}$
(B) $\ce{ArCONH2}$
(C) $\ce{ArNO2}$
(D) $\ce{ArCH2NH2}$

Oct 04, 2022 at 06:09 PM

Multiple Choice

ID- 14860

58. Methylamine reacts with $\ce{HNO2}$ to form:

(A) $\ce{CH3—O—N=O}$
(B) $\ce{CH3—O—CH}$
(C) $\ce{CH3OH}$
(D) $\ce{CH3CHO}$

Oct 04, 2022 at 06:11 PM

Multiple Choice

ID- 14861

59. The gas envolved when methylamine reacts with nitrous acid is ..........

(A) $\ce{NH3}$
(B) $\ce{N2}$
(C) $\ce{H2}$
(D) $\ce{C2H6}$

Oct 04, 2022 at 06:13 PM

Multiple Choice

ID- 14862

60. Reduction of aromatic nitro compounds using $\ce{Fe}$ and $\ce{HCl}$ gives ..........

(A) aromatic oxime
(B) aromatic hydrocarbon
(C) aromatic primary amine
(D) aromatic amide

Oct 04, 2022 at 06:22 PM

Multiple Choice

ID- 14863

61. Acid anhydrides on reaction with primary amines give

(A) amide
(B) imide
(C) secondary amine
(D) imine

Oct 04, 2022 at 06:33 PM

Multiple Choice

ID- 14864

BSEB, 2019 (A), 2019 (C)

62. $\ce{CH3 CH2NH2}$ is known as:

(A) Ethyl amine
(B) Propyl amine
(C) Methyl amine
(D) Ammonia

Oct 04, 2022 at 06:34 PM

Multiple Choice

ID- 14865

63. Best method for preparing primary amines from alkyl halides without changing the number of carbon atoms in the chain is:

(A) Hofmann bromamide reaction
(B) Gabriel phthalmide synthesis
(C) Sandmeyer reaction
(D) Reaction $\ce{NH3}$

Oct 04, 2022 at 06:41 PM

Multiple Choice

ID- 14866

64. Which of the following compounds will not undergo azo coupling reaction with benzene diazonium chloride?

(A) Anline
(B) Phenol
(C) Anisole
(D) Nitrobenzene

Oct 04, 2022 at 06:43 PM

Multiple Choice

ID- 14867

BSEB, 2017 (A)

65. What is the decreasing order of basicity?

(A) $\ce{NH3 > C2H5NH2 > (C2H5)2NH }$$\ce{> (C2H5)3N}$
(B) $\ce{(C2H5)2NH > (C2H5)3N > }$$\ce{C2H5NH2 > NH3}$
(C) $\ce{(C2H5)2NH > C2H5NH2 > }$$\ce{(C2H5)3N > NH3}$
(D) $\ce{(C2H5)2NH > (C2H5)NH2 > }$$\ce{NH3 > (C2H5)3N}$

Oct 04, 2022 at 06:53 PM

Multiple Choice

ID- 14868

BSEB, 2017 (A)

66. Aniline reacts with Acetaldehyde to form:

(A) Carbylamines
(B) Nitrobenzene
(C) Imine
(D) Schifs base

Oct 04, 2022 at 06:55 PM

Multiple Choice

ID- 14869

BSEB, 2016 (C)

67. Imprical formula of benzene is:

(A) $\ce{CH}$
(B) $\ce{C2H2}$
(C) $\ce{C6H6}$
(D) None

Oct 05, 2022 at 07:01 AM

Multiple Choice

ID- 14870

BSEB, 2017 (C)

68. In a chemical reaction: $\ce{CH3COOH ->[+NH3][∆]A->[P2O5]B}$ the product B is:

(A) Acetonitrile
(B) Ethyl cyanide
(C) Methylamine
(D) Acetamide

Oct 05, 2022 at 07:05 AM

Multiple Choice

ID- 14871

BSEB, 2018 (A)

69. A compound on hydrolysis give 1°–amine. The compound is:

(A) Anilide
(B) amide
(C) cyanide
(D) None

Oct 05, 2022 at 07:07 AM

Amines

Board » Bihar Board » Class 12th » English Medium » Science » Chemistry » Part-2 » Unit 13: Amines

Objective Questions (MCQs)

1. Which of the following is the strongest base?

2. Number of pi (π) bonds in aniline is:

3. —CONH2 group is known as:

4. Nitrogen atom of amino group is .......... hybridised.

5. $\ce{C3H9N}$ cannot represent

6. Which is the most basic?

7. The most convenient method to prepare primary (1° Amine) amine containing one carbon atom less is:

8. When excess of ethyl iodide is treated with ammonia, the product is:

9. Amides may be converted into amines by a reaction named after

10. Reduction of $\ce{CH3CH2NC}$ with hydrogen in presence of Ni or Pt as catalyst gives

11. Secondary amines can be prepared by:

12. Which of the following amides will give ethylamine on reaction with sodium hypobromide?

13. Benzoic acid is treated with $\ce{SOCl2}$ and the product $\ce{(X)}$ formed is reacted with ammonia to give $\ce{(Y)}$. $\ce{(Y)}$ on reaction with $\ce{Br2}$ and $\ce{KOH}$ gives $\ce{(Z)}$. $\ce{(Z)}$ in the reaction is:

14. Amine that cannot be prepared by Gabriel-phthalmidie synthesis is:

15. Methylamine can be prepared by:

16. Which of the following amines will give carbylamine reaction?

17. The end product $\ce{Z}$ of the reaction: Ethylamine $\ce{->[HNO2]X->[PCl5]Y->[KCN]Z.Z}$ is:

18. Arrange the following compounds in increasing order of basicity:$\ce{CH3NH2(CH3)2NH,NH3,}$$\ce{C6H5NH2}$

19. Primary and secondary amines are distinguished by:

20. Identify $\ce{'Z'}$ in the sequence?$\ce{C6H5NH2 ->[NaNO2+HCl][273K]X}$$\ce{ ->[CuCN]Y ->[H^+/H2O][Boil]Z}$

21. Which of the following form isocyanide on reaction with $\ce{CHCl3}$ and $\ce{KOH}$?

22. Which of the following is used as Hinsberg's reagent?

23. Electrophilic substitution of aniline with bromine-water at room temperature gives

24. Among the compounds $\ce{C3H7NH2, CH3NH2, C2H5NH2}$ and $\ce{C6H5NH2}$. Which is the least basic compound?

25. Anilinium hydrogensulphate on heating with sulphuric acid at 453-473 K produces:

26. Which of the following can exist as zwitter ion?

27. Reduction of aromatic nitro compounds using $\ce{Sn}$ and $\ce{HCl}$ gives:

28. When aniline is heated with conc. $\ce{H2SO4}$ at 455-473 K, it forms

29. Which of the following compounds cannot be identified by carbylamine test?

30. What is obtained when benzoyl chloride reacts with aniline in the presence of sodium hydroxide?

31. Which of the following compounds reacts with $\ce{NaNO2}$ and $\ce{HCl}$ at 0-4°C to give alcohol/phenol?

32. Which of the following has highest $\ce{pK_b}$ value?

33. Acetylation of a secondary amine in alkaline medium yields

34. The amines are basic in nature, hence they form salts with hydrochloric acid. Which of the following will beinsoluble in dil. $\ce{HCl}$?

35. Primary, secondary and tertiary amines may be seperated by using

36. cyclohexylamine is stronger base than aniline become:

37. The strongest base among the following is:

38. Which of the following amines does not react with Hinsberg reagent?

39. Among the following the weakest base is:

40. Primary and secondary amines react with acid chloride or acid anhydride to form

41. The hybridisation of $\ce{N}$ in $\ce{NH3}$ is:

42. Ammonia changes the moist red litmus paper into:

43. Benzenediazonium chloride cannot be stored and is used immediately after its preparation because

44. Which of the following is not a property of diazonium salts?

45. Which one is capable of forming zweitterion?

46. $\ce{CH3CN}$ on reduction gives:

47. In diazotisation reaction with $\ce{NaNO2}$ and $\ce{HCl}$ an excess of $\ce{HCl}$ is used to:

48. The coupling reaction of aryldiazonium chloride with aniline are carried out in

49. Which of the following is correct method to convert $\ce{p}$-toludine to $\ce{p}$-toluic acid?

50. Which of the following is a 3° amine?

51. The correct $\ce{IUPAC}$ name for $\ce{CH2 = CHCH2NHCH3}$ is

52. Amongst the following, the strongest base in aqueous medium is ..........

53. Primary amine is detected by:

54. The source of nitrogen in Gabriel synthesis of amino

55. The best reagent for converting 2-phenylpropanamine into 2-phenylpropanamine is ..........

56. The best reagent for converting, 2-phenylpropanamine into 1-phenylethanamine is ..........

57. Hofmann bromamide degradation reaction is showing ..........

58. Methylamine reacts with $\ce{HNO2}$ to form:

59. The gas envolved when methylamine reacts with nitrous acid is ..........

60. Reduction of aromatic nitro compounds using $\ce{Fe}$ and $\ce{HCl}$ gives ..........

61. Acid anhydrides on reaction with primary amines give

62. $\ce{CH3 CH2NH2}$ is known as:

63. Best method for preparing primary amines from alkyl halides without changing the number of carbon atoms in the chain is:

64. Which of the following compounds will not undergo azo coupling reaction with benzene diazonium chloride?

65. What is the decreasing order of basicity?

66. Aniline reacts with Acetaldehyde to form:

67. Imprical formula of benzene is:

68. In a chemical reaction: $\ce{CH3COOH ->[+NH3][∆]A->[P2O5]B}$ the product B is:

69. A compound on hydrolysis give 1°–amine. The compound is: