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State the role of reagents shown on arro...

State the role of reagents shown on arrows in the following chemical reactions.
`CH_(3)COOH+CH_(3)CH_(2)OHoverset("Conc."H_(2)SO_(4))rarr CH_(3)COOC_(2)H_(5)+H_(2)O`

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It is the esterification reaction between carboxylic acid and alcohol that forms ester and water molecules. Here concentrated sulphuric acid acts as catalyst as well as dehydrating agent. It provides hydrogen ions to initiate the reaction and also absorbs water molecules so that reaction can form more product
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