Chapter 11: Alcohols, Phenols, and Ethers

Focusing on Chapter 11: Alcohols, Phenols, and Ethers from the Class 12 CBSE NCERT Chemistry textbook, here are some of the most frequently asked questions:

1. IUPAC Nomenclature: Provide the IUPAC names for the following compounds:

   • C₆H₅OCH₃
   • CH₃CH₂OCH₂CH₃
   • CH₃CH₂CH₂OH

2. Preparation Methods: Describe the preparation of phenol from chlorobenzene.

3. Reimer-Tiemann Reaction: Explain the Reimer-Tiemann reaction with a suitable example.

4. Williamson Ether Synthesis: What is Williamson ether synthesis? Illustrate with an example.

5. Acidity Comparison: Why is phenol more acidic than ethanol?

6. Kolbe's Reaction: Describe Kolbe's reaction and provide its mechanism.

7. Dehydration of Alcohols: Explain the mechanism of acid-catalyzed dehydration of ethanol to form ethene.

8. Electrophilic Substitution in Phenols: Why does phenol undergo electrophilic substitution more readily than benzene?

9. Distinguishing Tests: How would you distinguish between methanol and ethanol using a chemical test?

10. Reaction with HX: Discuss the reaction of ethers with hydrohalic acids (HX) and provide an example.

These questions cover key concepts from the chapter and are often emphasized in exams. For detailed solutions and additional practice, you may refer to the provided links.

Additionally, for a visual and interactive learning experience, you might find this video helpful:

Consistent practice and a thorough understanding of these topics will aid in mastering the Alcohols, Phenols, and Ethers chapter effectively.