Class 12 Chemistry Notes – Chemical Reactions of Alcohols

Dehydration of alcohol:-

Regent used is concentrated H2SO4 Δ. It proceeds via carbocation intermediate

Class 12 Chemistry Notes   Chemical Reactions of Alcohols Image by AglaSem

Mechanism:-

(i)                  Electrophilic attack of

Class 12 Chemistry Notes   Chemical Reactions of Alcohols Image by AglaSem

(ii)                Formation of intermediate:-

Class 12 Chemistry Notes   Chemical Reactions of Alcohols Image by AglaSem

(iii)               Removal of proton to give alkene

Class 12 Chemistry Notes   Chemical Reactions of Alcohols Image by AglaSem

 

Oxidation of alcohols:-

Class 12 Chemistry Notes   Chemical Reactions of Alcohols Image by AglaSem

 

Dehydrogenation alcohols:-

Reagent = heated copper 10 alcohol gives aldehyde, 20 gives ketones 30 alcohol gives nothing (no reaction)

Class 12 Chemistry Notes   Chemical Reactions of Alcohols Image by AglaSem

 

Other reactions of alcohols:-

Class 12 Chemistry Notes   Chemical Reactions of Alcohols Image by AglaSem

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