Introduction to Alcohols, Phenols and Ethers, Class 12 Chemistry NCERT Solutions

1. There will be total 20 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying.

1. Which among the following is hydroxyl derivative of aromatic hydrocarbons?

  Aldehydes

 Alcohols

 Phenols

 Ethers

Question 1 of 20

2. Isopropyl alcohol is a type of

 Primary alcohol

  Tertiary alcohol

 Secondary alcohol

 Tertiary alcohol

Question 2 of 20

3. What is the IUPAC name of this compound?

  2-Methoxy propane

 Propyl methyl ether

 Propoxy methane

 Isopropyl methyl ether

Question 3 of 20

4. What is the IUPAC name of following compound?

  Buta-2,3-dien-4-ol

 Buta-1,2-dien-1-ol

 But-1,2-dien-1-ol

 2,3-Butenol

Question 4 of 20

5. Identify the following compound

 1,4,6- trihydroxy benzene

 1,4,5-trihydroxy benzene

 1,3,4- trihydroxy benzene

 1,2,4-trihydroxy benzene

Question 5 of 20

6. Identify the IUPAC name of the following compound.

 4-Ethyl hexan-4-ol

 3-Ethyl hexan-3-ol

  3-Propyl pentan-3-ol

 3-Propyl hexan-3-ol

Question 6 of 20

7. Ordinary spirit used for polishing wooden furniture is:

  Ethanol

 Acetic acid

 Cresol

 Formaldehyde

Question 7 of 20

8. C₂H₅OH and C₂H₅OC₂H₅ contains which among the following functional groups:

  Ether and carbonyl

 Hydroxyl and carboxyl

  Alcohol and ether

  Aldehyde and ketone

Question 8 of 20

9. The IUPAC name for the compound

  2-hydroxy- chloroethane

 2-hydroxy- chloropropane

 1-Chloro-2-propanol

 2-Chloro-2-propanol

Question 9 of 20

10. Ethers can be classified as simple and:

  Complex

 Unsymmetrical

 Symmetrical

 None of the above

Question 10 of 20

11. How many hydrogen atoms are attached to the carbon carrying functional group in tertiary alcohols?

 Two hydrogen atoms

 One hydrogen atoms

 Three hydrogen atoms

 No hydrogen

Question 11 of 20

12. What is the another name of carbolic acid?

  Phenyl benzoate

 Benzoic acid

 Acetic acid

 Phenol

Question 12 of 20

13. CH₃OCH₃ is an example of:

 Ketone

 Ether

 Alcohol

 Aldehyde

Question 13 of 20

14. What are secondary alcohols?

 A

 B

 C

 D

Question 14 of 20

15. Butan-2-ol is an example of :

 Dihydric alcohol

 Secondary alcohol

 Primary alcohol

 Tertiary alcohol

Question 15 of 20

16. Write the IUPAC name of the following compound

 Benzyl alcohol

 2-Phenyl ethanol

 1-Benzyl ethanol

 1-Phenyl ethan-2-ol

Question 16 of 20

17. Identify the IUPAC name of this compound:

  5-Propyl-2-methylhepta-2,4-dien-1-ol

 5-Ethyl-2-methyl oct-2,3- dien-1-ol

 5-Propyl-2-methyl hept -2,3-dien-1-ol

 6-Methyl-3-propyl hepta-3,5-dien-7-ol

Question 17 of 20

18. The bond angle in alcohols is slightly less then the tetrahedral angle. It is due to which of the following reasons:

  Because of the repulsion between the unshared electron pairs of oxygen.

 Because of the bond length.

  Because of the sp² hybridised state of the carbon attached to the oxygen atom.

 Because of the sp hybridised state of the carbon attached to the oxygen atom.

Question 18 of 20

19. The IUPAC name of the compound is:

 1,1- Dimethyl-3-hydroxy cyclohexane

 3,3-Dimethyl-1-cyclohexanol

 2,3-Dimethyl-1-hydroxy cyclohexane

 1,1-Dimetyl-3-cyclohexanol

Question 19 of 20

20. What is the common name for this alcohol?

  Vinyl alcohol

 Allyl alcohol

 Propargyl alcohol

 Propyl alcohol

Question 20 of 20

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