1. Ketones where R =R1=1 alkyl group. It can be obtained in one step by
Correct : C. Oxidation of secondary alcohol
2. The oxidation of toluene to benzaldehyde by chromyl chloride is called……..
Correct : C. Etard reaction
3. Catalyst use in the reamer tiemman reaction.
Correct : B. CuCl3
4. Dry heating of calcium acetate gives
Correct : D. Acetone
5. Acetophenone is prepared by the reaction of which of the following in the presence of AlCl3
catalyst……..
Correct : C. Benzene and acetyl chloride
6. Isopropyl alcohol on oxidation gives…….
Correct : A. Acetone
7. Which of the following compound gives a ketone with Grignard reagent .
Correct : C. Methyl cyanide
8. Benzaldehyde can be prepared by oxidation of toluene by ………….
Correct : C. CrO2Cl2
9. CH3 CO CH3 can be obtained by ………..
Correct : C. Oxidation of isopropyl alcohol
10. Propyne on hydrolysis in presence of HCl and HgSO4 gives………….
Correct : B. Acetone
11. Which of the following on reaction with NH3 gives urinary antiseptic compound.
Correct : A. HCHO
12. The oxidation product of 2-propanol with hot conc. HNO3 is ………..
Correct : B. Propanone
13. Ethyne on reaction with water in the presence of HgSO4 and H2SO4 gives……….
Correct : B. Acetaldehyde
14. When a mixture of methane and oxygen is passed through heated molybdenum oxide, the main
product formed is………..
Correct : D. Methanal
15. Benzoin is………..
Correct : D. α -hydroxy ketone
16. The oxidation of benzyl chloride with lead nitrate gives……………
Correct : C. Benzaldehyde
17. Glycerol reacts with potassium bisulphate to produce …………
Correct : C. Acryl aldehyde
18. The reagent used in Gatterman Koch aldehyde synthesis is………..
Correct : D. CO + HCl
19. Reduction of Aldehydes and Ketones to hydrocarbon take place in the presence of ……………
Correct : A. Zn amalgam and HCl acid
20. Reduction of
CO to 2CH can be carried out with…………
Correct : C. Wolf-Kischner reduction
21. For C2H5 CHO which of the following is incorrect……….
Correct : D. On reduction yields phenol
22. Grignard reagent on reaction with acetone forms………
Correct : A. Tertiary alcohol
23. Which of the following is incorrect………….
Correct : C. Tollen’s reagent is used in detection of unsaturation
24. Consider the following statement Acetophenone can be prepared by…………
i. Oxidation of 1-phenylethanol
ii. Reaction of benzalthanol with methyl magnesium bromide
iii. Friedel craft’s reaction of benzene with acetyl chloride
iv. Distillation of calcium benzoate
Correct : C. 1 and 3
25. Which of the following products is formed when benzaldehyde is treated with CH3 MgBr and the
addition product so obtained is subjected to acid hydrolysis.
Correct : A. Secondary alcohol
26. Aldol condensation will not be observed in……….
Correct : A. Chloral
27. Which of the following organic compounds exhibits positive Fehling test as well as iodoform
test………….
Correct : D. Ethanal
28. Which of the following will undergo aldol condensation………
Correct : A. Acetaldehyde
29. Acetaldehyde cannot show …………….
Correct : B. Lucas test
30. Benzaldehyde + Sodium hydroxide
Correct : A. Benzyl alcohol
31. Benzyl alcohol and sodium benzoate is obtained by the action of sodium hydroxide on benzaldehyde.
This reaction is known as ……………
Correct : B. Cannizzaro’s reaction
32. To distinguish between formaldehyde and acetaldehyde, we require……….
Correct : D. Caustic soda solution
33. Which of the following will not give iodoform test?
Correct : D. 3-pentanon
34. Which of the following will not give the iodoform test ?
Correct : C. Benzophenone
35. Haloform test is given by the following substance……………
Correct : B. (CH3)2 CO
36. Dimethyl ketones are usually characterized through………….
Correct : B. Iodoform test
37. If formaldehyde and KOH heated then we gets,
Correct : C. Methyl alcohol
38. Acetaldehyde reacts with C2H5 MgCl the final product is…………
Correct : D. A secondary alcohol
39. Aldol condensation of acetaldehyde involves the formation of which of the following intermediate?
Correct : B. A carbanion
40. Aromatic aldehyde undergo disproportionation in presence of sodium or potassium hydroxide to give
corresponding alcohol and acid. The reaction is known as …………..
Correct : B. Cannizzaro reaction
41. Which of the following does not give yellow precipitate with KINaOH…………
Correct : C. Benzaldehyde
42. Which of the following does not turn Schiff's reagent to pink…………
Correct : C. Acetone
43. Fehling's test is positive for……….
Correct : A. Acetaldehyde
44. Acetaldehyde and acetone differ in their reaction with…………..
Correct : B. Ammonia
45. The final product formed when acetaldehyde is reduced with sodium and alcohol is…………
Correct : B. Ethyl alcohol
46. The compound obtained by the reduction of propionaldehyde by amalgamated zinc and concentrated
HCl is…………….
Correct : B. Propane
47. Formaldehyde when treated with KOH gives methanol and potassium formate. The reaction is known
as………..
Correct : C. Cannizzaro reaction
48. Acetaldehyde reacts with ……………
Correct : B. Nucleophiles only
49. The typical reactions of aldehyde is………………….
Correct : C. Nucleophilic addition
50. Which will not give acetamide on reaction with ammonia …………
Correct : D. Methyl formate
51. The addition of HCN to carbonyl compounds is an example of ……….
Correct : C. Nucleophilic addition
52. Which of the following reagents is used to distinguish acetone and Acetophenone?
Correct : A. NaHSO3
53. The product formed by the reaction of chlorine with benzaldehyde in the absence of a catalyst
is…………..
Correct : C. Benzoyl Chloride
54. Enol content is highest in…………..
Correct : D. Acetyl acetone
55. Which one of the following reacts with HCN and Tollen's reagent, but is not oxidised by Fehling's
solution……………
Correct : C. Benzaldehyde
56. During reaction of benzaldehyde with alkali one of the product is…………
Correct : B. Benzyl alcohol
57. Cannizzaro reaction is given by…………
Correct : A. HCHO
58. When two molecules of acetaldehyde condense in the presence of dilute alkali, it forms………….
Correct : C. Aldol
59. Acetaldehyde and acetone can be distinguished by……………
Correct : D. Tollen's test
60. Aldehyde turns pink with ………….
Correct : B. Schiff reagent
61. Boiling point of acetone is…………..
Correct : A. 56oC
62. The reagent with which both aldehyde and acetone react easily is…………….
Correct : B. Grignard reagent
63. Acetal is obtained by reacting in the presence of dry HCl and alcohol with…………..
Correct : A. Aldehyde
64. Which of the following is used to detect aldehydes…………..
Correct : B. Tollen's reagent
65. Which of the following aldehydes give red precipitate with Fehling solution ?
Correct : C. Acetaldehyde
66. Acetaldehyde and Acetone can be distinguished by………..
Correct : C. Fehling's solution test
67. Which of the following will fail to react with potassium dichromate and dilute sulphuric
acid……………
Correct : D. Acetone (propanone)
68. The key step in cannizzaro’s reaction is the intermolecular shift of ……….
Correct : B. Hydride ion
69. A compound, containing only carbon, hydrogen and oxygen, has a molecular weight of 44. On
complete oxidation it is converted into a compound of molecular weight 60. The original compound is ?
Correct : A. An aldehyde
70. Which of the following has the most acidic hydrogen?
Correct : B. 2, 4-hexanedione
71. Which of the following statements regarding chemical properties of acetophenone are wrong……
(1) It is reduced to methyl phenyl carbinol by sodium and ethanol
(2) It is oxidised to benzoic acid with acidified KMnO4
(3) It does not undergo iodoform electrophilic substitution like nitration at meta position
(4) It does not undergo iodoform reaction with iodine and alkali
Correct : C. 3 and 4
72. Which of the following will not give iodoform test ?
Correct : D. Benzyl alcohol
73. What is color is Chloral hydrate?
Correct : C. Colourless
74. Aldol condensation is dose not ocurre between………..
Correct : D. An aldehyde and ester
75. In which of the following reaction new carbon carbon bond is not formed?
Correct : A. Cannizzaro reaction
76. Aromatic aldehydes reduce…………
Correct : A. Tollen’s reagent
77. Cross Cannizzaro reaction is given by………..
Correct : A. C6H5CHO
78. The product formed in aldol condensation is…………….
Correct : B. Beta hydroxy aldehyde or ketone
79. In which type of reaction cyanohydrin formed from acetone?