Some carboxylic acids and their IUPAC names are given below. Which of the following is not correctly matched ?

Options

A. `{:("Carboxylic acids","IUPAC names"),("Formic acid","Methanoic acid"):}`
B. `{:("Carboxylic acids","IUPAC names"),("Acetic acid","Ethanoic acid"):}`
C. `{:("Carboxylic acids","IUPAC names"),("Isobutyric acid","2-Methylbutanoic acid"):}`
D. `{:("Carboxylic acids","IUPAC names"),("n-Butyric acid","Butanoic acid"):}`

Answer

C