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Explain the isomerism exhibited by carboxylic acids. |
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Answer» Solution :(i) Chain isomerism : This arises due to the DIFFERENCE in the carbon chain of alkyl group attached to CARBOXYL group. `C_(5)H_(10)O_(2)` `underset("Pentanoic ACID")(CH_(3)-CH_(2)-CH_(2)-CH_(2)-COOH)andunderset("3-methyl butanoic acid")(CH_(3)-overset(CH_(3))overset(|)(CH)-CH_(2)-COOH)` (ii) Functional isomerism : CARBOXYLIC acids are functional isomers of esters. `C_(3)H_(6)O_(2)` `underset("Propanoic acid")(CH_(3)-CH_(2)-COOH)andunderset("Methyl acetate")(CH_(3)COOCH_(3))" "underset("Ethyl formate")(HCOOC_(2)H_(5))` |
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