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MDCAT Chemistry Alcohols, Phenols And Ethers Online Test

Malik TahirLast Updated: May 24, 2025

Chemistry Alcohols Phenols And Ethers MCQS Online Test

MDCAT Chemistry Alcohols Phenols And Ethers Chapter Online Test

Total Questions:	69
Time Allowed:	30 Minutes
Total Marks:	69
How to Attempt Test:	Please choose the right Option in MCQ-type question.
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MDCAT Chemistry Alcohols Phenols And Ethers Test

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Page 1 of 3

1. Ethanol containing some methanol is called

Power alcohol

Methylated spirit

Absolute spirit

Rectified spirit

2. Deposition of Cholesterol in arteries in responsible for

Cancer

Heart attack

Diabetes

Hepatitis

3. Diethyl ether is obtained by William son’s synthesis using

Methanol + Na + CH₃Br

Ethanol + Na + C₂H₅Br

Methanol + Mg + CH₃Br

Ethanol + Mg + C₂H₅Br

4. Na reacts with phenol to produce

CO gas

CO₂ gas

H₂ gas

Benzene

5. Which of the following cannot be produced by acidic dehydration of alcohols?

Ethers

Aldehyde

Alkyl Hydrogen sulphate

Alkene

6. Which catalyst is used in the industrial preparation of methanol?

ZnO + Cr₂ O₃

Al₂O₃/Fe₂O₃

SiO₂ + Cr₂ O₃

SiO₂ + Al₂ O₃

7. Ethanol can be poisoned by adding small amount of ____________ in it

Pyridine

All

Acetone

Methanol

8. Bakelite is a polymer obtained from two monomers

Phenol and acetone

Phenol and methanol

Phenol and ethanol

9. Salol is prepared from

Salicylic acid and methyl alcohol

None

Both

Salicylic acid and phenol

10. Which one of the following is known as wood spirit?

Ethyl alcohol

Butyl alcohol

Propyl alcohol

Methyl alcohol

11. When phenol is reduced in the presence of Zinc dust, we get

Benzyl alcohol

Benzene

Cyclohexane

12. To convert glucose to ethanol which enzyme is active

Invertase

Diastase

Maltase

Zymase

13. Alcohols of low molecular weight are

Soluble in water

Insoluble in water

Insoluble in all solvents

Soluble in water on heating

14. IUPAC name of diethyl ether is

Methoxy ethyne

Ethyox methane

Ethyox ethane

Methoxy

15. Rancidefication of fats and oils is due to

Both a and b

Hydrogenation reaction

Hydrolysis reaction

Oxidation reaction

16. Alcohol reacts with halogen acid to produce

Ketones

Alkanes

Aldehyetes

Alkyl halides

17. According to Lewis concept ethers behave as

None of these

Base

Acid

Acid as well as a base

18. Which is not true about ethers

They are inert

They are polar

They can act as nucleophiles

They have hydrogen bonding in them

19. Absolute alcohol cannot be prepared by distillation only 95% can be obtained because 95% alcohol + 5% moisture behave as

Azeotropic mixture

Pure mixture

Pure compound

Zeotropic mixture

20. O – H bond of alcohols break when attacking group is an

O-carrier

Neucleophile

Non can be predicted

Electrophile

21. Treatment of a secondary alcohol with a suitable oxidizing (K₂Cr₂O₇) results in the formation of

Alkyl halide

Ketone

Ether

Aldehyde

22. m.P. of phenol is

43C²

41C²

42C²

141C²

23. The IUPAC name of the following is

Cannot be named

2-butene-1-ol

1-butanol-2-ene

1-butenol

24. Iodine number of an oil indicates its

Molecular weight

Degree of unsaturation

Purity

Acid strength

25. When alcohol is heated with Hl, it gives

Ethene

Ethane

Methane

Ethyliodide

Page 2 of 3

26. On heating glycerol with conc. Sulphuric acid a compound with unpleasant odour is obtained. The compound is:

Methyl alcohol

Formic acid

Glycerol sulphate

Prop-2-enal

27. Phenol is more readily soluble in

Both NaOH and HCl

Dil. HCl

Sodium bicarbonate solution

NaOH sol

28. One gram of Carbohydrate yields energy

4 Kcal

100 Kcal

9 Kcal

10 Kcal

29. Ethanol can be converted into ethanoic acid by

Oxidation

Hydrogenation

Fermentation

Hydration

30. Sponification is the hydrolysis of fats or oil with an

Metallic ion

Base

Alkali

Enzyme

31. Methanol is manufactured by

Fermentation

Both a and b

Distillation

None of these

32. Maximum number of active hydrogens are present in

Glycerol

Methanol

Acetic acid

Methane

33. 1 alcohols are oxidized to give

Ketones

None

Aldehydes

Carboxylic acids

34. Scientific study of fermentation was first made by

Buchner

Pasteur

Liebig

Biot

35. Which compound is more soluble is water?

C₆H₅OH

n – Hexanol

CH₃ – O – CH₃

CH₅OH

36. Which one is the derivative of water?

All

Ether

Alcohol

Phenol

37. Benzene and phenol can be distinguished by

Odour

Bromination

Litmus paper

Colour

38. Which of the following groups will increase the acidity of phenol?

-CN

All

-X (halogens)

-NO₂

39. Methyl alcohol is not used

For denaturing of ethyl alcohol

As a solvent

As a substitute for petrol

As an anti-freezing agent

40. Phenol is heated with CCl₄ and alkaline KOH when salicylic acid is produced. The reaction is known as

Rosenmund’s reaction

Friedel Craft reaction

Sommelet reaction

Riemer-Tiemann’s reaction

41. As ester if prepared by the reaction of

Carboxylic acid and alcohol

Aldehyde and alcohol

Two alcohols

Ketone and alcohol

42. Picric acid is formed by the reaction of nitric acid with

Phenoxideion

Toluene

Benzene

Carbolic acid

43. Starch gives ________ colour with codine

Green

Blue

Yellow

Red

44. The compound which react readily with Lucas reagent to give oily layer immediately

2-methyl – 2-butanol

2-methyl – 2-pentanol

2-methyl – 2-propanol

All

45. Which one of the following compounds gives characteristic deep colour with FeCl₃ solution?

Ethanol

Acetic acid

Acetone

Phenol

46. Grignard reagent on reaction with a ketone forms

Primary alcohol

Secondary alcohol

Carboxylic acid

Tertiary alcohol

47. Ethyl alcohol on oxidation with K₂Cr₂O₇ gives

Acetic acid

Acetaldehyde

Formaldehyde

Formic acid

48. Mild oxidation of glycerol with H₂O₂/FeSO₄ gives

Glycerose

None

Glyceraldehyde

Dihydroxy acetone

49. Which compound shows hydrogen bonding?

C₂H₆

C₂H₅OH

C₂H₅Cl

CH₃ – O – CH₃

50. Alcohol fermentation is brought about by the action of

O₂

Yeast

Inverter

CO₂

Page 3 of 3

51. Benzyl alcohol has a chemical formula

C₆H₅CH₂OH

None

C₆H₅OH

C₆H₄CH₂OH

52. Aniline is a derivative of

Alkane

Alkene

Aromatic hydrocarbon

Alicyclic hydrocarbon

53. Which one is primary alcohol?

2, 3-Dimethylhexane-4-ol

Butaon-1-ol

Propan-2-ol

Buten-2-ol

54. Primary and secondary alcohols on action of red hot copper give

Only aldehydes

Only ketones

Aldehydes and ketones respectively

Ketones and aldehydes respectively

55. Ethanol is converted into ethanoic acid by

Oxidation reaction

Fermentation

Hydration

Hydrogenation

56. Which enzyme is not involved in fermentation of starch?

Distance

Invertase

Urease

Zymase

57. Which is used as an antifreeze?

Ethyl alcohol

Methanol

Glycol

Water

58. The optimum temperature for fermentation process is

0-35C²

100C²

35-45C²

25-35C²

59. Rectified spirit contains concept others behave as

None of these

Base

Acid

Acid and base

60. Alcohols reacts with Grignard reagent to form

All

Alkynes

Alkanes

Alkenes

61. Ethyl alcohol is industrially prepared from ethylene by

Absorbing in H₂SO₄ followed by hydrolysis

Catalytic reduction

Permanganate oxidation

Fermentation

62. The strongest acid among the following aromatic compound is

Meta-nitrophenol

Ortho-nitrophenol

Para-nitrophenol

Para-chlorophenol

63. Which of the following is used as aesthetic?

Phenol

Alcohol

Diethyl ether

Dimethyl ether

64. When alcohols are treated with conc, H₂SO₄, it undergoes?

Elimination

Dehydration

Dehydrohalogenation

Dehydrogenation

65. Alcohols are miscible in water due to

Hydrogen bonding

They ionize in water

They are acidic in character

Presence of alkyl group

66. Which compound contains OH in their molecule?

Ehtar

Ether

Phenol

Alcohol and phenol

67. Dehydration of glycerol give

Propane

Acrolein

Propene

Benzene

68. Sodium phenoxide reacts with CO₂ at 400 K and 4.7 atm pressure to give

Sodium salicylate

Catechol

Salicyl aldehyde

Benzoic acid

69. Hydrolytic conversion of sucrose into glucose and fructose is known as

Inhibition

Inversion

Insertion

Induction

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Malik TahirLast Updated: May 24, 2025

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9 Comments

Gold medalist Abdullah says:

March 22, 2022 at 12:05 am

Territiary alcohol are resistant to oxidation.In the presence of Acidified potasium dichromate they undergo elemenation and give alkene …so plz this must be correct in the option

Umer Afzal says:

February 26, 2017 at 6:19 pm

oxidation of ter.alcohl gives alkene plz correct it

1. Afifashoukat says:
  
  August 16, 2021 at 9:52 pm
  
  Yes ter alchol give alkene not ketone bcz ter alcohol not undergoes oxidation
  
2. Nusrullah says:
  
  August 29, 2021 at 8:21 pm
  
  Yes
  
3. irtesam haider says:
  
  May 5, 2022 at 9:42 am
  
  only with red hot copper tube
  
Hafiz Siddiq says:

July 21, 2016 at 8:36 pm

fields

SaLik MeMon says:

May 6, 2016 at 10:56 pm

ter.alcohol can’t be oxidised bcoz there is no carbinol (C-H)

1. MUZAMMIL Butt says:
  
  June 8, 2022 at 1:49 am
  
  True point
  
SaLik MeMon says:

May 6, 2016 at 10:53 pm

yup ether has low b.p

MDCAT Chemistry Alcohols, Phenols And Ethers Online Test

Chemistry Alcohols Phenols And Ethers MCQS Online Test

MDCAT Chemistry Alcohols Phenols And Ethers Chapter Online Test

MDCAT Chemistry Alcohols Phenols And Ethers Test

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Malik Tahir

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Chemistry Alcohols Phenols And Ethers MCQS Online Test

MDCAT Chemistry Alcohols Phenols And Ethers Chapter Online Test

MDCAT Chemistry Alcohols Phenols And Ethers Test

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