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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.
Test Helpful For:	MDCAT Entry Test Chemistry Online Test Interview Questions about Chemisttry All Universities Entrance Test Recruitments Tests

MDCAT Chemistry Alcohols Phenols And Ethers Test

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Page 1 of 3

1. Which one is primary alcohol?

2, 3-Dimethylhexane-4-ol

Butaon-1-ol

Propan-2-ol

Buten-2-ol

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

ZnO + Cr₂ O₃

SiO₂ + Al₂ O₃

SiO₂ + Cr₂ O₃

Al₂O₃/Fe₂O₃

3. Bakelite is a polymer obtained from two monomers

Phenol and ethanol

Phenol and methanol

Phenol and acetone

Phenol and methanol

4. Grignard reagent on reaction with a ketone forms

Carboxylic acid

Primary alcohol

Tertiary alcohol

Secondary alcohol

5. Alcohols reacts with Grignard reagent to form

Alkanes

Alkenes

Alkynes

All

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

Ethanol + Mg + C₂H₅Br

Ethanol + Na + C₂H₅Br

Methanol + Na + CH₃Br

Methanol + Mg + CH₃Br

7. Which is used as an antifreeze?

Water

Methanol

Ethyl alcohol

Glycol

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

All

Acetone

Pyridine

Methanol

9. Which one is the derivative of water?

Alcohol

Phenol

Ether

All

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

Salicyl aldehyde

Benzoic acid

Catechol

Sodium salicylate

11. The strongest acid among the following aromatic compound is

Meta-nitrophenol

Para-nitrophenol

Ortho-nitrophenol

Para-chlorophenol

12. Methyl alcohol is not used

As a solvent

For denaturing of ethyl alcohol

As an anti-freezing agent

As a substitute for petrol

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

2-methyl – 2-propanol

2-methyl – 2-pentanol

2-methyl – 2-butanol

All

14. Maximum number of active hydrogens are present in

Glycerol

Methanol

Acetic acid

Methane

15. Alcohol reacts with halogen acid to produce

Ketones

Aldehyetes

Alkyl halides

Alkanes

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

Elimination

Dehydrogenation

Dehydration

Dehydrohalogenation

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

Alkyl halide

Ketone

Aldehyde

Ether

18. Ethyl alcohol is industrially prepared from ethylene by

Catalytic reduction

Fermentation

Permanganate oxidation

Absorbing in H₂SO₄ followed by hydrolysis

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

Glycerol sulphate

Prop-2-enal

Methyl alcohol

Formic acid

20. Scientific study of fermentation was first made by

Pasteur

Buchner

Liebig

Biot

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

Benzene

Cyclohexane

Benzyl alcohol

22. As ester if prepared by the reaction of

Aldehyde and alcohol

Ketone and alcohol

Carboxylic acid and alcohol

Two alcohols

23. Which compound contains OH in their molecule?

Phenol

Ether

Ehtar

Alcohol and phenol

24. Which compound is more soluble is water?

C₆H₅OH

n – Hexanol

CH₅OH

CH₃ – O – CH₃

25. To convert glucose to ethanol which enzyme is active

Invertase

Diastase

Maltase

Zymase

Page 2 of 3

26. Iodine number of an oil indicates its

Molecular weight

Degree of unsaturation

Purity

Acid strength

27. The optimum temperature for fermentation process is

0-35C²

25-35C²

35-45C²

100C²

28. Which of the following is used as aesthetic?

Diethyl ether

Dimethyl ether

Phenol

Alcohol

29. Which is not true about ethers

They are polar

They can act as nucleophiles

They are inert

They have hydrogen bonding in them

30. Methanol is manufactured by

None of these

Both a and b

Fermentation

Distillation

31. When alcohol is heated with Hl, it gives

Ethene

Methane

Ethyliodide

Ethane

32. Benzene and phenol can be distinguished by

Colour

Bromination

Litmus paper

Odour

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

Invertase

Distance

Urease

Zymase

34. Alcohols of low molecular weight are

Insoluble in water

Soluble in water on heating

Insoluble in all solvents

Soluble in water

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

All

-NO₂

-CN

-X (halogens)

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

Aldehyde

Ethers

Alkene

Alkyl Hydrogen sulphate

37. According to Lewis concept ethers behave as

Base

None of these

Acid as well as a base

Acid

38. Deposition of Cholesterol in arteries in responsible for

Hepatitis

Cancer

Heart attack

Diabetes

39. Ethanol containing some methanol is called

Power alcohol

Methylated spirit

Absolute spirit

Rectified spirit

40. The IUPAC name of the following is

Cannot be named

1-butanol-2-ene

1-butenol

2-butene-1-ol

41. Alcohols are miscible in water due to

They are acidic in character

Hydrogen bonding

Presence of alkyl group

They ionize in water

42. Alcohol fermentation is brought about by the action of

Yeast

Inverter

CO₂

O₂

43. Rectified spirit contains concept others behave as

Acid

None of these

Base

Acid and base

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

Enzyme

Alkali

Base

Metallic ion

45. Which compound shows hydrogen bonding?

C₂H₅OH

CH₃ – O – CH₃

C₂H₅Cl

C₂H₆

46. Ethanol is converted into ethanoic acid by

Oxidation reaction

Hydration

Hydrogenation

Fermentation

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

Rosenmund’s reaction

Riemer-Tiemann’s reaction

Friedel Craft reaction

Sommelet reaction

48. IUPAC name of diethyl ether is

Ethyox ethane

Methoxy ethyne

Ethyox methane

Methoxy

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

Non can be predicted

Electrophile

O-carrier

Neucleophile

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

Zeotropic mixture

Azeotropic mixture

Pure mixture

Pure compound

Page 3 of 3

51. Na reacts with phenol to produce

CO₂ gas

H₂ gas

CO gas

Benzene

52. Dehydration of glycerol give

Benzene

Acrolein

Propene

Propane

53. Ethyl alcohol on oxidation with K₂Cr₂O₇ gives

Acetic acid

Acetaldehyde

Formaldehyde

Formic acid

54. 1 alcohols are oxidized to give

Aldehydes

None

Ketones

Carboxylic acids

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

Phenoxideion

Carbolic acid

Benzene

Toluene

56. Aniline is a derivative of

Alkane

Alicyclic hydrocarbon

Alkene

Aromatic hydrocarbon

57. Benzyl alcohol has a chemical formula

None

C₆H₅OH

C₆H₅CH₂OH

C₆H₄CH₂OH

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

Inhibition

Inversion

Insertion

Induction

59. Phenol is more readily soluble in

Dil. HCl

Both NaOH and HCl

Sodium bicarbonate solution

NaOH sol

60. Salol is prepared from

Both

Salicylic acid and phenol

None

Salicylic acid and methyl alcohol

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

Propyl alcohol

Butyl alcohol

Methyl alcohol

Ethyl alcohol

62. Starch gives ________ colour with codine

Yellow

Blue

Green

Red

63. Mild oxidation of glycerol with H₂O₂/FeSO₄ gives

Dihydroxy acetone

None

Glyceraldehyde

Glycerose

64. Rancidefication of fats and oils is due to

Oxidation reaction

Hydrogenation reaction

Hydrolysis reaction

Both a and b

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

Aldehydes and ketones respectively

Ketones and aldehydes respectively

Only aldehydes

Only ketones

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

Acetic acid

Phenol

Acetone

Ethanol

67. m.P. of phenol is

43C²

141C²

42C²

41C²

68. Ethanol can be converted into ethanoic acid by

Hydration

Fermentation

Oxidation

Hydrogenation

69. One gram of Carbohydrate yields energy

9 Kcal

4 Kcal

10 Kcal

100 Kcal

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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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