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Question Bank No: 1

1. In order to get bakelite from phenol which of the following reagent is required?

a)		$HCHO$
b)		${CHCl}_{3}$ / $NaOH$
c)		${CCl}_{4} / NaOH$
d)		$HCHO / H^{+}$ or ${OH}^{-}$

2. Which one of the following compounds gives characteristic deep colour with ${FeCl}_{3}$ solution?

a)		Acetone
b)		Ethanol
c)		Phenol
d)		Acetic acid

3. The reaction between alcohol and carboxylic acids is called

a)		Esterification
b)		Hydrolysis
c)		Saponification
d)		Hydrogenation

4. Which of the following compound is known as oil of winter green?

a)		Phenyl Benzoate
b)		Phenyl salicylate
c)		Phenyl acetate
d)		Methyl salicylate

5. The reaction of aromatic acyl chloride and phenol in the presence of a base $NaOH$ or Pyridine is called

a)		Kolbe's reaction
b)		Perkin's reaction
c)		Sandmeyer's reaction
d)		Schotten Baumann reaction

6. When Ethylene glycol is heated with acidified ${KMnO}_{4},$ the main organic compound obtained is

a)		Oxalic acid
b)		Glyoxal
c)		Formic acid
d)		Acetaldehyde

7. Organic acid without a carboxylic acid group is

a)		Ascorbic acid
b)		Vinegar
c)		Oxalic acid
d)		Picric acid

8. n-propyl alcohol and isopropyl alcohol can be chemically distinguished by

a)		${PCl}_{5}$
b)		reduction
c)		Oxidation with $K_{2} {Cr}_{2} O_{7}$
d)		Ozonolysis

9. Diethyl ether can be decomposed by

a)		HI
b)		$NaOH$
c)		Water
d)		${KMnO}_{4}$

10. In Etard's reaction, Benzaldehyde can be prepared by oxidation of Toluene by

a)		Acidic ${KMnO}_{4}$
b)		$K_{2} {Cr}_{2} O_{7}$
c)		${CrO}_{2} {Cl}_{2}$
d)		All

11. Oxidation of 2-Butanone can be achieved by

a)		Tollen's reagent
b)		$Conc . {HNO}_{3}$
c)		${Br}_{2}$ water
d)		Atmospheric oxidation

12. Tollen's reagent is

a)		Ammoniacal cuprous chloride
b)		Ammoniacal Cuprous oxide
c)		Ammoniacal Silver Bromide
d)		Ammoniacal Silver Nitrate

13. Which of the following does not give Brick red ppt.with Fehling solution

a)		Formalin
b)		Acetaldehyde
c)		D-Glucose
d)		Acetone

14. Acetic anhydride is obtained from acyl chloride by the reaction of

a)		$P_{2} O_{5}$
b)		$H_{2} {SO}_{4}$
c)		${CH}_{3} COONa$
d)		${CH}_{3} {COCH}_{3}$

15. Which of the following compounds will evolve hydrogen on treatment with sodium metal?

a)		$C_{2} H_{5} OH$
b)		${CH}_{3} COOH$
c)		Both
d)		None

16. Reaction of $HCOOH$ with Conc. $H_{2} {SO}_{4}$ gives

a)		${CO}_{2}$
b)		CO
c)		Oxalic acid
d)		Acetic acid

17. The weakest acid among the following is

a)		${CHCl}_{2} COOH$
b)		${CH}_{3} COOH$
c)		${ClCH}_{2} COOH$
d)		${CCl}_{3} COOH$

18. Amides on treatment with ${Br}_{2}$ and KOH are converted into amines, the reaction is

a)		Hoffmann's Bromamide reaction
b)		Hoffmann's methylation
c)		Gabriel Phthalimide reaction
d)		HVZ reaction

19. The reaction of Acetaldehyde with HCN followed by hydrolysis gives a product which exhibits

a)		Metamerism
b)		Tautomerism
c)		Enantiomerism
d)		Geometrical Isomerism

20. Glacial acetic acid is

a)		pure acetic acid at $100^{0} C$
b)		Acetic acid mixed with methanol
c)		pure acetic acid at $0^{0} C$
d)		pure acetic acid above ${16.6}^{0} C$

21. Self condensation of acetaldehyde in the presence of dilute alkalies gives

a)		an acetal
b)		an aldol
c)		mesitylene
d)		Propionaldehyde

22. Weakest acid among the following is

a)		Acetic acid
b)		Phenol
c)		water
d)		Acetylene

23. Aldol condensation will not occur in

a)		$HCHO$
b)		${CH}_{3} {CH}_{2} CHO$
c)		${CH}_{3} {COCH}_{3}$
d)		${CH}_{3} CHO$

24. Identify $Z; {CH}_{3} {COONH}_{4} \overset{Δ}{} X \overset{P_{2} O_{5}}{} Y \overset{H_{2} O / H^{+}}{} Z$

a)		${CH}_{3} {CH}_{2} {CONH}_{2}$
b)		${CH}_{3} CN$
c)		$({CH}_{3} CO)_{2} O$
d)		${CH}_{3} COOH$

25. The reduction of Benzoyl chloride with $H_{2} / Pd - {BaSO}_{4}$ produces

a)		Benzyl alcohol
b)		Benzaldehyde
c)		Benzoic Acid
d)		Benzoyl cyanide

26. Which reaction is suitable for preparing $α$ -chloroacetic acid

a)		$HVZ$ reaction
b)		Stephen's reaction
c)		Perkin's reaction
d)		none of these

27. Formaldehyde when reacted with methyl magnesium bromide gives

a)		$C_{2} H_{5} OH$
b)		${CH}_{3} COOH$
c)		$HCHO$
d)		${CH}_{3} CHO$

28. Which of the following is the strongest acid?

a)		${CF}_{3} COOH$
b)		${CBr}_{3} COOH$
c)		${CH}_{3} COOH$
d)		${CCI}_{3} COOH$

29. Hydrolysis of Trichloromethane with aqueous KOH gives

a)		Potassium Format
b)		Acetylene
c)		Chloral
d)		Methanol

30. Lower Carboxylic acids are soluble in water due to

a)		lower molecular weight
b)		hydrogen bonding
c)		dissociation into ions
d)		easy hydrolysis

31. Propanal on treatment with dilute NaOH forms

a)		${CH}_{3} {CH}_{2} {CH}_{2} {CH}_{2} {CH}_{2} CHO$
b)		${CH}_{3} {CH}_{2} CH (OH) {CH}_{2} {CH}_{2} CHO$
c)		${CH}_{3} {CH}_{2} CH (OH) CH ({CH}_{3}) CHO$
d)		${CH}_{3} {CH}_{2} COONa$

32. Hydrolysis of Benzonitrile gives

a)		Benzylamine
b)		Aniline
c)		Benzoic acid
d)		Benzene

33. Which of the following amine will not respond to Carbylamine reaction

a)		Ethylamine
b)		$({CH}_{3})_{2} NH$
c)		${CH}_{3} {NH}_{2}$
d)		Phenylamine

34. Diazo coupling is useful to prepare

a)		Pesticides
b)		dyes
c)		proteins
d)		vitamins

35. The one which is least basic is

a)		${NH}_{3}$
b)		$C_{6} H_{5} {NH}_{2}$
c)		$(C_{6} H_{5})_{3} N$
d)		$(C_{6} H_{5})_{2} NH$

36. The compound which on reaction with cold nitrous acid gives oily nitrosoamine is

a)		methylamine
b)		dimethylamine
c)		trimethylamine
d)		triethylamine