what is the role of sulphuric acid in ester
Answers
Esterification is a relatively slow process at room temperature and does not proceed to completion. Concentrated sulfuric acid is used as a catalyst, and has a dual role: Speeds up the reaction. Acts as a dehydrating agent, forcing the equilibrium to the right and resulting in a greater yield of ester.
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Conclusion:
Ester is an organic compound produced from alcohols and carboxylic acids byFischer Esterification in the presence of a strong acid catalyst. Esterification is a slowand reversible process. Therefore, strong acid is used as catalyst to speed up thereaction and acts as dehydrating agent to remove water from the mixture. Differentesters will produce different fragrances. In these experiment, it can be deduced thatmethyl salicylate, n-octyl acetate and ethyl butyrate give wintergreen oil, orange andstrawberry scents respectively. These synthetic esters produced in the laboratory arenearly the same molecules that give fruits their characteristics flavours .........
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