3 public questions tagged with this topic.
Pentan-2-ol (CH₃CH(OH)CH₂CH₂CH₃), a secondary alcohol, is oxidized to pentan-2-one (CH₃COCH₂CH₂CH₃) with PCC.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Preparation of Phenols and Ethers - Williamson and Other Methods
Pent-1-ene (CH₂=CHCH₂CH₂CH₃) reacts with H₂SO₄ and H₂O via acid-catalyzed hydration, adding -OH to the second carbon (Markovnikov’s rule) to form pentan-2-ol.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Preparation of Alcohols - from Alkenes Haloalkanes Carbonyls Grignard
Dehydration of pentan-2-ol gives a mixture of alkenes, with pent-2-ene as the major product according to Saytzeff’s rule.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Chemical Reactions of Alcohols - Dehydration Oxidation Esterification
