1. Which of the following carbonyl compounds undergoes aldol condensation?

(a) Benzaldehyde

(b) Benzophenone

(c) Acetophenone

(d) tert-Butyl phenyl ketone

2. Which of the following carbonyl compounds undergoes self redox reaction in presence of concentrated base?

(a) 3-Methylpentanal

(b) 2-Chlorobutanal.

(c) 2, 2-Dimethylpropanal

(d) tert-butyl methyl ketone.

3. The smell of bitter almond is given by the compound.

(a) Benzoic acid

(b) Benzaldehyde

(c) vanillin

(d) cinnamaldehyde

4. Which of the following will not give yellow precipitate when treated with \(\mathrm{NaOH}\) and \(\mathrm{I}_2\) ?

(a) 3-Methylbutan-2-one

(b) 2-methylpentan-3-one

(c) Propanone

(d) Hexan-2-one

5. A \(\beta\)-hydroxyl carbonyl compound is obtained by the action of \(\mathrm{NaOH}\) on

(a) \(\mathrm{HCHO}\)

(b) \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CHO}\)

(c) \(\mathrm{CR}_3 \mathrm{CHO}\)

(d) \(\mathrm{CH}_3 \mathrm{CHO}\)

6. Para aldehyde is obtained by polymerization of

(a) \(\mathrm{HCHO}\)

(b) \(\mathrm{CH}_3 \mathrm{CHO}\)

(c) \(\mathrm{CH}_3 \mathrm{OH}\)

(d) \(\mathrm{CH}_3 \mathrm{CH}_2-\mathrm{CHO}\)

7. Schiff's reagent gives pink color with

(a) acetone

(b) acetic acid

(c) acetaldehyde

(d) methyl acetate.

8. Dry distillation of a mixture of calcium formate and calcium acetate gives.

(a) formaldehyde

(b) acetaldehyde

(c) acetone

(d) acetophenone.

9. Metaldehyde is a

(a) tetramer of acetaldehyde

(b) dimer of acetone

(c) trimer of acetaldehyde

(d) trimer of formaldehyde

10. The reaction of \(\mathrm{C}_6 \mathrm{H}_8 \mathrm{CH}=\mathrm{CHCHO}_{\text {with }} \mathrm{LiAlH}_4\) gives

(a) \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{OH}\)

(b) \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{CHO}\)

(c) \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}=\mathrm{CHCH}_2 \mathrm{OH}\)

(d) \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{CHOHCH}_3\)

11. A mixture of sodium benzoate and sodalime on heating yields

(a) methane

(b) benzene

(c) sodium benzoate

(d) calcium benzoate.

12. Which -is the strongest acid?

(a) \(\mathrm{CH}_3 \mathrm{COOH}\)

(b) \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COOH}\)

(c) \(\mathrm{CH}_3 \mathrm{CCOOH}\)

(d) \(\mathrm{ClCH}_2 \mathrm{COOH}\)

13. Benzaldehyde when treated with alkaline \(\mathrm{KMnO}_4\) yields

(a) Benzyl alcohol

(b) Benzoic acid

(c) \(\mathrm{CO}_2\) and \(\mathrm{H}_2 \mathrm{O}\)

(d) Salicylic acid

14. Acetonitrile on acidic hydrolysis gives.

(a) \(\mathrm{HCOOH}\)

(b) \(\mathrm{CH}_3 \mathrm{NC}\)

(c) \(\mathrm{CH}_3 \mathrm{COONa}\)

(d) \(\mathrm{CH}_3 \mathrm{COOH}\)

15. The organic compounds \(A\) and \(B\) reacts with sodium metal and liberates hydrogen gas. A and \(B\) reacts together to give ethyl acetate. The \(A\) and \(B\) are.

(a) \(\mathrm{CH}_3 \mathrm{COOH}\) and \(\mathrm{C}_2 \mathrm{H}_3 \mathrm{OH}\)

(b) \(\mathrm{HCOOH}\) and \(\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}\)

(c) \(\mathrm{CH}_3 \mathrm{COOH}\) and \(\mathrm{HCOOH}\)

(d) \(\mathrm{CH}_3 \mathrm{COOH}\) and \(\mathrm{CH}_3 \mathrm{OH}\)

16. The compound used as synthetic lemonade is

(a) tartaric acid

(b) benzoic acid

(c) acetic acid

(d) citric acid

17. o-halogentaion of carboxylic acid is called.

(a) Gattermann reaction

(b) Riemer-Tiemer reaction

(c) Sandmeyer's reaction

(d) HVZ reaction

18. The strongest acid is

19. The acid which does not undergo \(\mathrm{HVZ}\) reaction is

(a) acetic acid

(b) formic acid

(c) propanoic acid

(d) 2-methyl propanoic acid

20. An organic ester is

(a) Kerosene oil

(b) coconut oil

(c) soap

(d) glycerine

21. Propionic acid on bromination gives two isomeric 2-bromo propionic acids, they are

(a) optical isomers

(b) cis-trans isomers

(c) Position isomers

(d) chain isomers

22. Carbonyl compound in which one valency of carbonyl carbon is statisfied by \(\mathrm{H}\) atom is

(a) Aldehyde

(b) Ketone

(c) Carboxylic acid

(d) Acid amide

23. First oxidation product of secondary alcohol is

(a) Aldehydes

(b) Alkanone

(c) Acetone

(d) Alkanes

24. Common name of \(\mathrm{CH}_3-\mathbf{C H}=\mathbf{C H}-\mathbf{C H O}\) is

(a) Butenal

(b) Crotanaldehyde

(c) Acrolin

(d) Mesityl oxide

25. IUPAC name of

(a) 3-cyclobutyneyl propanal

(b) 3-cyclobut-1-enyl propanal

(c) 3-cyclobutylpropanal

(d) 3-cyclobut-2-enylpropanal

26.

(a) salicyaldehyde

(b) vanillin

(c) o-Tolualdehyde

(d) phthaldehyde

27. Most effectively aldehydes are prepared from primary alcohols by using

(a) Acidic \(\mathrm{KMnO}_4\)

(b) \(\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7\) and dil \(\mathrm{H}_2 \mathrm{SO}_4\)

(c) dil \(\mathrm{HNO}_3\)

(d) \(\mathrm{PCC}\)

28. Ozonoide of \(\alpha\)-butylene on heating with \(\mathrm{Zn}\) and water produce

(a) only acetalhyde

(b) only formaldehyde

(c) mixture of acetaldehyde and methanal

(d) mixture of methanal and propanal

29. Ozonolysis product of

heating with Zn dust and water produes

(a) Hexanone and formaldehyde

(b) cyclohexanone only

(c) Cyclohexanone and methanal

(d) Capraldehyde and methanal

30. Dry distillation product of calcium propionate is

(a) Acetone

(b) propionaldehyde

(c) propanone

(d) diethylketone

31. Reducing agent used in Stephens reaction is

(a) \(\mathrm{Sn}\) and conc. \(\mathrm{HCl}\)

(b) \(\mathrm{SnCl}_2\) and dil. \(\mathrm{HCl}\)

(c) \(\mathrm{CrO}_2 \mathrm{Cl}_2\)

(d) DIBAl - H

32. By Etard reaction aldehydes are preapred from

(a) Aromatic hydrocarbons by halogenation and hydrolysis

(b) Aromatic hydrocarbons, \(\mathrm{CO}_2\) and \(\mathrm{HCl}\) in \(\mathrm{CrO}_3\)

(c) Aromatic hydrocarbons, acetic anhydride in \(\mathrm{CrO}_3\)

(d) Aromatic hydrocarbons, chromyl chloride in \(\mathrm{CS}_2\)

33. Formylation of benzene is performed by using

(a) \(\mathrm{CO}\) and \(\mathrm{HCl}\)

(b) Formic acid

(c) Formic amide

(d) Formonitrile

34. Benzophenone is obtained by Friedel Crafts reaction from

(a) Benzene and Acetyl chloride

(b) Benzene and Benzoyl chloride

(c) Benzene and chlorobenzene

(d) Benzene and acetophenone

35. Correct statement about the aldehydes and ketones is

(a) + I effect of alkyl group linked to carbonyl carbons increase their reactivity

(b) As the steric effect of alkyl groups increases reactivity of aldehydes and ketones increases

(c) Carbonyl carbon in aromatic aldehydes and ketones is more electron deficient due to electron attracting resonance effect

(d) aromatic aldehydes are less reactive than aliphatic aldehydes

36. Mandelonitrile is obtained from

(a) Benzaldehyde and \(\mathrm{HCN}\)

(b) Acetone and ammonia

(c) Acetaldehyde and \(\mathrm{HCN}\)

(d) Acetaldehyde and hydrazine

37. Tertiary alcohols are obtained from

(a) formaldehyde and R-Mg-X

(b) propanal and \(\mathrm{R-Mg}-\mathrm{X}\)

(c) alkanone and R-Mg-X

(d) Alkanal and \(\mathrm{NH}_3\)

38. Number of methylene groups in urotropin is

(a) 2

(b) 4

(c) 5

(d) 6

39. Aldehydes are converted into oximes by

(a) \(\mathrm{NH}(\mathrm{OH})_2\)

(b) \(\mathrm{HO}-\mathrm{NH}_2\)

(c) \(\mathrm{NH}_3\)

(d) \(\mathrm{NH}_2-\mathrm{NH}_2-\mathrm{OH}\)

40. One molecule of \(\mathrm{LiAlH}_4\) can reduce molecules of aldehydes or ketones.

(a) 1

(b) 2

(c) 3

(d) 4

41. Pinacol is

(a) Primary diol

(b) Secondary diol

(c) Tertiary diol

(d) Geminal tertiary diol

42. Aldehydes show reducing properties due to presence of

(a) \(\alpha\)-Hydrogen

(b) Carbonyl group

(c) \(\mathrm{H}\)-atom on carbonyl carbon

(d) Absence of \(-\mathrm{OH}\) group on \(-\stackrel{\mathrm{|}}{\mathrm{C}}=\mathrm{O}\)

43. Cannizzaro's reaction is not shown by

(a) Methanal

(b) Benzaldehyde

(c) Ethanal

(d) Isobutyraldehyde

44. Aromatic aldehydes undergo types of reactions of aromatic ring.

(a) Electrophilic substitution

(b) Nucleophilic substitution

(c) Electrophilic addition

(d) Nucleophilic addition

45. Tricarboxylic acid is

(a) Glutaric acid

(b) Citric acid

(c) Tartaric acid

(d) Malonic acid

46. Correct IUPAC name of

(a) 3-carboxyl ethyl pentane-1,5-dioic acid

(b) 3-carboxylmethyl pentane-1,5-dioic acid

(c) 3-carboxyl pentane-1,5-dioic acid

(d) propane-1,2,3-tricarboxylic acid

47. Boiling points of carboxylic acids are higher than alcohols due to

(a) formation of dimer through strong intermolecular hydrogen bonding

(b) strong dipole-dipole interaction

(c) their large size

(d) strong bond between carbon and oxygen

48. Carboxylic acids on heating with thionyl chloride produce

(a) Acyl chlorides

(b) Acetyl chloride

(c) Alkyl chloride

(d) Hydrogen chloride

49. Fisher esterification is

(a) Electrophilic addition

(b) Nucleophilic addition

(c) Electrophilic substitution

(d) Nucleophilic substitution

50. Phthalimide is obtained by strong heating ammonia with

(a) phthalic anhydride (b) phthalic acid

(c) phthaladehyde

(d) o-toluic acid