1. : Which of the mentioned compounds should be least soluble in water?
(A) Chlorobenzene
(B) Ethanol
(C) Benzoic acid
(D) Phenol
2. : Which of the mentioned is most acidic?
(A) C3H7OH
(B) C2H5OH
(C) CH3OH
(D) H₂O
3. : Which of the mentioned reagent cannot be used to detect the phenolic group?
(A) Neutral FeCl3
(B) Br₂/H2O
(C) NaOH solution
(D) I2/NaOH
4. : An aromatic compound has a molecular formula C7H8O. How many isomers are possible for this compound?
(A) 3
(B) 5
(C) 4
(D) 6
5. : Which of the mentioned is a wood alcohol?
(A) Ethanol
(B) Methanol
(C) Propanol
(D) None of A, B, and C
6. : Which of the mentioned alcohol is produced from fermentation of sugars?
(A) Ethanol
(B) Methanol
(C) Propanol
(D) None of A, B, and C
7. : The composition of rectified spirit is
(A) 90% Ethanol
(B) 100% Ethanol
(C) 95% Ethanol
(D) None of A, B, and C
8. : Carbolic acid is ____.
(A) Salol
(B) Phenyl benzoate
(C) Phenol
(D) Phenyl acetate
9. : Which of the mentioned is trihydric phenol?
(A) Resorcinol
(B) Phloroglucinol
(C) p-Cresol
(D) Catechol
10. : Grignard reagent reacts with aldehydes and ketones to form
(A) Aldehydes
(B) Ketones
(C) Alcohols
(D) Amines
11. : There are total _________ primary alcohols that are possible for C4H9OH?
(A) 3
(B) 4
(C) 1
(D) 2
12. : What is an isomer of ethanol?
(A) Methanol
(B) Ethanal
(C) Methoxy methane
(D) Ethoxy ethane
13. : n-Propyl alcohol and iso-propyl alcohol is an example of which of the following?
(A) Position isomerism
(B) Chain isomerism
(C) Metamerism
(D) Tautomerism
14. : Reduction of aldehydes either by hydrogenation, or in the presence of metal catalyst such as Ni, Pt. or Pd gives
(A) Alcohols
(B) Carboxylic acid
(C) Amines
(D) Amides
15. : Ethyl acetate reacts with Grignard reagent to form
(A) Secondary alcohol
(B) Tertiary alcohol
(C) Primary alcohol and acid
(D) Acid
16. : In which of the mentioned group, each member gives a positive iodoform test?
(A) Methanol, ethanol, propanone
(B) Ethanol, isopropyl alcohol, methanol
(C) Propanal, 2-propanol, propanone
(D) Ethanol, ethanal, isopropyl alcohol
17. : The reaction of formaldehyde and Grignard reagent followed by acidification gives
(A) Aldehyde
(B) Primary alcohol
(C) Carboxylic acid
(D) Ketone
18. : The enzyme that converts sucrose to glucose and fructose is called
(A) Zymase
(B) Diastase
(C) Maltase
(D) Invertase
19. : The enzyme that converts starch to maltose is called
(A) Maltase
(B) Diastase
(C) Invertase
(D) Zymase
20. : Which of the mentioned alcohol is least soluble in water?
(A) Methanol
(B) n-Butyl alcohol
(C) n-Propyl alcohol
(D) Ethanol
21. : What is the order of reactivity of alcohols with sodium metal?
2° > 1°” onclick=”checkAnswer(‘q21’, ‘1° > 2° > 3°’)”> (A) 3° > 2° > 1°
3° > 1°” onclick=”checkAnswer(‘q21’, ‘1° > 2° > 3°’)”> (B) 2° > 3° > 1°
2° > 3°” onclick=”checkAnswer(‘q21’, ‘1° > 2° > 3°’)”> (C) 1° > 2° > 3°
2° > 3°’)”> (D) None of A, B, and C
22. : Phenol on heating with alc.KOH and chloroform undergoes __.
(A) Kolbe reaction
(B) Rosenmund reaction
(C) Cannizzaro reaction
(D) Reimer-Tiemann reaction
23. : Which of the mentioned will be readily attacked by an electrophile?
(A) Phenol
(B) Benzene
(C) Chlorophenol
(D) Toluene
24. : Which of the mentioned statements regarding phenols is not correct?
(A) Phenols are soluble in both aqueous NaOH and aqueous sodium hydrogen carbonate
(B) Phenols are weaker acids than carboxylic acids
(C) Phenols are stronger acids than water and alcohols
(D) Phenoxide ions are more stable than the corresponding phenols
25. : Phenol on reaction with ethanoic anhydride in the presence of sodium ethanoate gives
(A) Phenyl benzoate
(B) Ethyl benzoate
(C) Phenyl methyl ether
(D) Phenyl ethanoate
26. : Each of the following when present at para position decreases the acidic strength of phenol excluding which of the following?
(A) -NH2
(B) CH3O-
(C) -Cl
(D) CH3–
27. : Which of the mentioned compounds is formed by catalytic reduction of phenol?
(A) Benzene
(B) Cyclohexane
(C) Cyclohexanol
(D) Benzyl alcohol
28. : Glycerol on dehydration produces __.
(A) Acrolein
(B) Allyl alcohol
(C) CHOH=C=CHOH
(D) CHO-CHOH-CH2OH
29. : Phenol on treatment with Con. HNO3 gives which of the following?
(A) o-Nitrophenol
(B) 2,4,6-Trinitrophenol
(C) o- and p-Nitrophenol
(D) p-Nitrophenol
30. : Treatment of phenol with cold dilute nitric acid gives
(A) Only o-nitro phenol
(B) Mixture of o- and p-nitro phenol
(C) 2,4,6-Trinitro phenol
(D) Only p-nitro phenol base
31. : Which of the mentioned is the strongest base?
(A) Ethoxide
(B) Methoxide
(C) Ter-butoxide
(D) Iso-propoxide
32. : Which of the mentioned is the strongest base
(A) CH3–
(B) OR–
(C) OH–
(D) NH2–
33. : What is the suitable reagent for dehydration of alcohol?
(A) PCl5
(B) CaCl2
(C) Al2O3
(D) NaCl
34. : Which is the best reagent for producing an alkyl chloride from an alcohol?
(A) SOCl2
(B) PCl3
(C) PCl5
(D) HCl
35. : On oxidation, which of the following gives ketone?
(A) Primary alcohol
(B) Tertiary alcohol
(C) Secondary alcohol
(D) All of A, B, and C
36. : What is formed when a primary alcohol undergoes catalytic dehydrogenation?
(A) Ketone
(B) Aldehyde
(C) Alkene
(D) Acid
37. : Alcohols can be taken from all methods excluding which of the following?
(A) Hydroboration-oxidation
(B) Oxymercuration-demercuration
(C) Fermentation of starch
(D) Reduction of carbonyl compounds with Zn-Hg/HCl
38. : Alkyl halides react with aqueous NaOH to form ______ .
(A) Alcohols
(B) Ketones
(C) Amines
(D) Aldehydes
39. : The acid-catalyzed addition of water to an alkene produces which of the following?
(A) Aldehydes
(B) Alcohols
(C) Amines
(D) Ketones
40. : What is the increasing reactivity order of CH3OH, CH3CH2OH, CH3CH2CH2OH and (CH3)2CHOH towards sodium metal?
(A) CH3OH < CH3CH2OH < CH3CH2CH2OH < (CH3)2CHOH
(B) (CH3)2CHOH < CH3CH2OH < CH3CH2CH2OH < CH3OH
(C) CH3CH2CH2OH < (CH3)2CHOH < CH3CH2OH < CH3OH
(D) (CH3)2CHOH < CH3CH2CH2OH < CH3CH2OH < CH3OH