6 public questions tagged with this topic.
2-Methylbutan-2-ol (CH₃C(OH)(CH₃)CH₂CH₃) dehydrates to 2-methylbut-2-ene (CH₃C(CH₃)=CHCH₃) as the major product, following Saytzeff’s rule.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Chemical Reactions of Alcohols - Dehydration Oxidation Esterification
Ethanol, a primary alcohol, undergoes acid-catalyzed dehydration via a concerted E₂ mechanism because formation of a primary carbocation is unstable.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Chemical Reactions of Alcohols - Dehydration Oxidation Esterification
Pentan-2-ol (CH₃CH(OH)CH₂CH₂CH₃) dehydrates to pent-2-ene (CH₃CH=CHCH₂CH₃) as the major product, following Saytzeff’s rule.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Chemical Reactions of Alcohols - Dehydration Oxidation Esterification
At 140°C, propan-1-ol undergoes intermolecular dehydration in the presence of conc. H₂SO₄ to form di-n-propyl ether (CH₃CH₂CH₂-O-CH₂CH₂CH₃). Alkene formation occurs at higher temperature (~170°C).
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Chemical Reactions of Alcohols - Dehydration Oxidation Esterification
2-Methylbutan-2-ol (CH₃C(OH)(CH₃)CH₂CH₃) dehydrates to 2-methylbut-2-ene (CH₃C(CH₃)=CHCH₃) as the major product, following Saytzeff’s rule.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Chemical Reactions of Alcohols - Dehydration Oxidation Esterification
Normality = 2 × Molarity accurately defines or describes the concept asked in this question. Within Water and Mole Concept, precise definitions and terminology are essential for clear scientific communication. The other options (Normality = Molarity, Normality = 1/2 × Molarity, and Normality = 3 × Molarity) either describe related but distinct concepts, use incorrect terminology, or confuse similar-sounding terms that have different scientific meanings. A thorough understanding of exact definitions helps distinguish between closely related biological concepts and is crucial for competitive examinations.
Ref: Lehninger Principles of Biochemistry, Nelson & Cox, 8th Ed., Ch. 2
