GameChanger Academy

Physical chemistry

1. The solid state

2. Language of Chemistry

3. Gaseous and Liquid states

4. Stoichiometry

5. Solutions

6. Structure of Atom

7. Chemical equilibrium

8. Nuclear chemistry (Radioactivity)

9. Ionic equilibrium

10. Chemical Bonding

11. Chemical kinetics

12. Concepts of Acids, Bases and Salts

13. Surface catalysis and Colloids

14. Redox reactions

15. Chemical energetics

16. Volumetric analysis

17. Electrochemistry

Inorganic chemistry

18. Introduction

19. Periodic table

20. Hydrogen and its compounds

21. General aspects of Metallergy

22. Alkali metals

23. Alkaline metals

24. Boron family

25. Carbon family

26. Nitrogen family

27. Oxygen family

28. Fluorine family

29. Inert gases

30. Transition metals

31. Coordination compounds

32. Analytical chemistry

Organic chemistry

33. Purification and analysis of organic compounds

34. Nomenclature of Organic compounds

35. Reaction Mechanisms

36. Hydrocarbons

37. Haloalkanes (Alkyl halides)

38. Alcohol, Phenol and Ether

39. Aldehyde and Ketones

40. Carboxylic acids

41. Compounds conatining Nitrogen

42. Polymers

43. Chemistry in daily life

Organic chemistry

38. Alcohol, Phenol and Ether

1. Which of the following when reacted with water produces phenol?

[IOM 2007]

C₆H₅N= NCl
C₆H₅−Cl
C₆H₅CH₂Cl
C₆H₅−CHO

2. Reduction of aldehyde gives

[IOM 2001]

Acid
Alcohol
Ester
Alkyne

3. Percentage of water in absolute alcohol is

5%
3%
10%
Zero

4. Alcohol poisoning occurs due to the presence of .... in alcohol that is used for drinking.

[IOM 2005]

Carbonic acid
Ethyl alcohol
Methyl alcohol
Impurities (HCN + HCOOH)

5. The reactivity of alcohol with Lucas reagent follows the order

[MOE 2008]

1° > 2° > 3°
3° > 2° > 1°
2° > 1° > 3°
Same for all

6. When ethyl alcohol is treated with acidified potassium dichromate it forms acetaldehyde. It is an example of

[MOE 2064 Aswin]

Molecular rearrangement
Hydrolysis
Oxidation
Reduction

7. Which enzyme is used during the production of alcohol from carbohydrate by fermentation?

[MOE 2064]

Invertase
Zymase
Starch
Molasses

8. Hydrolysis of table sugar produces

[MOE - Curriculum]

Two molecules of Glucose
Glucose and Fructose
Glucose and Galactose
Glucose and Lactose

9. Which of the following alcohol is most reactive towards Lucas reagent?

[Bangladesh Embassy]

Primary
Secondary
Tertiary
Same for all

10. 1°, 2° and 3° alcohols are distinguished by all of the following methods except

[IOM 2051]

Lucas test
Victor Meyer test
Oxidation test
Hoffmann method

11. 2C₂H₅OH + 2Na → 2C₂H₅ONa + H₂. The above reaction shows

[IOM 2053]

Acidic nature of Na
The acidic nature of C₂H₅OH
Oxidizing action of Na
Reducing action of C₂H₅OH

12. Glycerol contains ......... alcoholic group.

[TOM 2046]

3 primary
1 primary
1 primary and 2 secondary
2 primary and 1 secondary

13. Grignard reagent is

Mg(OH)₂
Alkyl halides
Alkyl magnesium halides
MgCl

14. Methylamine when treated with HNO₂ results into

[MOE 2054]

Methyl cyanide
Acetic acid
Methyl isocyanate
Methanol

15. On passing ethene through alkaline solution of KMnO₄ (Baeyer's reagent) the compound formed is

[IOM 205]

Ethyl alcohol
Ethylene glycol
Oxalic acid
Formaldehyde

16. Primary, secondary and tertiary alcohol are distinguished by

[IOM 2052]

Distillation
Victor Meyer method
Hoffmann method
Reimer Tiemann reaction

17. Reaction between NaOH and fat is called

Esterification
Rancification
Hydrogenation
Saponification

18. RCHO reacts with RMgBr and the product of hydrolysis yields

[IOM 2046]

Primary alcohol
Secondary alcohol
Tertiary alcohol
Acetone

19. The alkaline solution of 1% KMnO₄ is called

[MOE 2053]

Schiff's reagent
Fehling's solution
Tollen's reagent
Baeyer's reagent

20. Conversion of glucose or fructose into ethyl alcohol is brought about by

[IOM, MOE, KU, BPKIHS]

Invertase
Diastase
Maltase
Zymase

PHENOL

1. When -OH group is linked with benzene, the compound formed is

[IOM 2000]

Phenol
Benzaldehyde
Benzyl alcohol
Acetophenone

2. Which of the following compound when reacted with water produces Phenol?

[IOM 2007]

C₆H₅N₂Cl
C₆H₅Cl
C₆H₅CH₂Cl
C₆H₅CHO

3. Phenol on distillation with zinc dust gives

[IOM, MOE]

Benzaldehyde
Benzene
Benzoic acid
Cyclohexane

4. Phenol reacts with PCl₅ to give mainly

[OM]

p-Chlorophenol
Chlorobenzene
o- and p-Chlorophenols
Triphenylphosphate

5. Phenol reacts with Br₂ in CCl₄ at low temperature gives

[MOE]

m-Bromophenol
o- and p-Bromophenol
p-Bromophenol
2,4,6-Tribromophenol

ETHER

1. When ethyl hydrogen sulphate is heated with excess of alcohol at 410 K, the product obtained is

Ethane
Ethylene
Diethyl ether
Diethyl sulphate

2. Anisole with conc. HNO₃ and conc. H₂SO₄ gives

Phenol
Nitrobenzene
o- and p-Nitroanisole
m-Nitroanisole

3. When a 1° alkyl halide reacts with an alkoxide, the product is

Hydrocarbon
Ether
Unsaturated hydrocarbon
Alcohol

4. Which of the following cannot be prepared by using Williamson's synthesis?

Methoxybenzene
Benzyl-p-nitrophenyl ether
Methyl tert-butyl ether
Di-tertiary butyl ether

5. Which of the following compounds is resistant to nucleophilic attack by OH⁻ ions?

Urea
Acetonitrile
Acetamide
Diethyl ether

6. How many isomeric ethers are represented by the molecular formula C₄H₁₀O?

7. In Williamson synthesis, ethoxyethane is prepared by

Passing ethanol over alumina
Heating ethanol with dry Ag₂O
Heating sodium ethoxide with ethyl bromide
Treating ethyl alcohol with excess of H₂SO₄ at 443 K

8. An aromatic ether is not cleaved by HI even at 525 K. The compound is

C₆H₅OCH₃
C₆H₅OC₆H₅
C₆H₅OC₃H₇
Tetrahydrofuran

9. Ether is obtained from ethyl alcohol

In presence of H₂SO₄ at 413 K
In presence of H₂SO₄ at 473 K
In presence of H₂SO₄ at 383 K
In presence of H₂SO₄ at 273 K

10. Acetic anhydride reacts with diethyl ether in the presence of anhydrous AlCl₃ to give

CH₃COOCH₃
CH₃CH₂COOCH₃
CH₃COOCH₂CH₃
CH₃CH₂OH

11. Which of the following compounds on boiling with alkaline KMnO₄ and subsequent acidification will not give benzoic acid?

Toluene
Acetophenone
Anisole
Benzyl alcohol

12. An organic compound of molecular formula C₃H₆O does not produce any precipitate with 2,4-dinitrophenylhydrazine and does not react with sodium metal. This compound is

CH₃COCH₃
CH₂=CH−OCH₃
CH₃CH₂CHO
CH₂=CHCH₂OH

13. The C−O−C angle in ether is about

180°
190°28′
110°
105°

14. The ether that undergoes electrophilic substitution reactions is

CH₃OC₂H₄
C₆H₅OCH₃
CH₃OCH₃
C₂H₅OC₂H₅

15. Anisole with HNO₃ and conc. H₂SO₄ gives

Phenol
Nitrobenzene
o- and p-Nitroanisoles
o-Nitroanisole

16. Ether which is liquid at room temperature is

C₂H₅OCH₃
CH₃OCH₃
C₂H₅OC₂H₅
None

17. An ether is more volatile than an alcohol having the same molecular formula. This is due to

Dipolar character of ethers
Alcohols having resonance structure
Intermolecular hydrogen bonding in ethers
Intermolecular hydrogen bonding in alcohols

18. When methyl-tert-butyl ether is formed?

(C₂H₅)₃CONa + CH₃Cl
CH₃ONa + (CH₃)₃CCl
(CH₃)₃CONa + C₂H₅Cl
(CH₃)₃CONa + CH₃Cl

19. Alcohols are isomeric with

[IOM 2010]

Acids
Ethers
Esters
Aldehydes

20. Williamson's synthesis is an example of

Nucleophilic addition
Electrophilic addition
Electrophilic substitution
Nucleophilic substitution

21. Which of the following process is used in the preparation of ether?

[MOE]

Wurtz reaction
Kolbe's synthesis
Williamson's synthesis
Hoffmann synthesis

22. Williamson's synthesis is used to prepare

[MOE]

Only symmetrical ethers
Only asymmetrical ethers
Both
None

23. Ethers on hydrolysis give

Carboxylic acids
Alcohols
Esters
Ketones

24. Ethers can be used as

General anaesthetic
Refrigerant
In perfumery
All of the above

25. Heating methyl phenyl ether with HI gives

Methanol + Iodobenzene
Methyl iodide + Iodobenzene
Methyl alcohol + Benzyl alcohol
Methyl iodide + Phenol

26. Higher homologues of ether can be prepared by

Alkyl halides
Diazomethane
Grignard reagent
None of these