{:("Column-I",,"Column-II"),("A) Esters and Carboxylic acid",,"P) Chain isomerism"),("B) n-Butanol and Iso butanol",,"Q) Tautomerism"),("C) Acetone and 2-propenol",,"R) Functional Isomerism"),("D) Maleic acid and fumeric acid",,"S) Geometrical Isomerism"):}

{:("Column-I",,"Column-II"),("A) Esters and Carboxylic acid",,"P) Chai

1.	{:("Column-I",,"Column-II"),("A) Esters and Carboxylic acid",,"P) Chain isomerism"),("B) n-Butanol and Iso butanol",,"Q) Tautomerism"),("C) Acetone and 2-propenol",,"R) Functional Isomerism"),("D) Maleic acid and fumeric acid",,"S) Geometrical Isomerism"):}
Answer» SOLUTION :ESTER and Carboxylic acids are Functional isomers. n-Butanol and Isobutanol are CHAIN isomers Acetone and 2-propenol are Tautomers Maleic acid and Fumaric acid are geometrical isomers