Tajamul Ahmad Bhat Assistant Lecturer Department of Chemistry

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Presentation transcript:

Tajamul Ahmad Bhat Assistant Lecturer Department of Chemistry Government P.G.College Rajouri

Revision of Formation of Esters Formed from:- Carboxylic Acid

Ethanoic Acid

Revision of Formation of Esters Formed from:- Carboxylic Acid Alcohol

Ethanoic Acid Ethanol Ethyl Ethanoate Water

Hydrolysis of Esters

Hydrolysis REVERSE of esterification Broken down by reaction with water

Ethyl Ethanoate Water

Hydrolysis REVERSE of esterification Broken down by reaction with water Forms:- Carboxylic Acid

Ethyl Ethanoate Water Ethanoic Acid

Hydrolysis REVERSE of esterification Broken down by reaction with water Forms:- Carboxylic Acid Alcohol

Ethyl Ethanoate Water Ethanoic Acid Ethanol

Hydrolysis REVERSE of esterification Broken down by reaction with water Forms:- Alcohol Carboxylic Acid Dilute sulphuric acid catalyst

Ethyl Ethanoate Water Ethanoic Acid Ethanol

Saponification Hydrolysis with an alkali Forms:- Alcohol

Ethyl Ethanoate Sodium Hydroxide Ethanol

Saponification Hydrolysis with an alkali Forms:- Alcohol Carboxylate Salt NOT Carboxylic Acid

Ethyl Ethanoate Sodium Hydroxide Sodium Ion Ethanol Ethanoate Ion

Saponification Hydrolysis with an alkali Forms:- Goes to completion Alcohol Carboxylate Salt NOT Carboxylic Acid Goes to completion