write the structural formula of the acid and alcohol from which ester might be prepared name the process of its formation
Answers
The acid is ethanoic acid-CH3COOH
The alcohol is ethyl alcohol -C2H5OH
The ester is ethyl ethanoate-CH3COOC2H5
The process is esterification....
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Ester CH3COOC2H5
Explanation:
Ester is the chemial ethyl ethanoate CH3COOC2H5. It is a compound derived from an acid in which at least one –OH group is replaced by an –O–alkyl group. Usually, esters are derived from a carboxylic acid and an alcohol through a process called esterification.
When alcohol reacts with carboxylic acid in presence of an acid catalyst and heat, we get ester and water. This reaction is a reversible reaction. It is a condensation reaction and so water molecules are eliminated during the reaction.
Structural formula of acid is RCOOH where R is a monovalent and COOH is the carboxyl group.
Example: Acetic acid CH3COOH
Structural formula of alcohol is ROH where R is an alkyl group and OH is the functional group of all alcohols called hydroxyl group.
Example: Ethyl alcohol or ethanol C2H5OH
Esterification:
Acetic acid + Ethyl alcohol --> ethyl acetate ester + water
CH3COOH + CH3CH2OH --> CH3COOCH2CH3 + H2O
Please refer to the picture for the complete equation in correct format.