Use the following information to answer the question. $*$

$1$ point

Organic Acids

$1$ Butanoic acid $C_3{H}_7\frac{C}{O}OH(l)$

$2$ Methanoic acid

$H\frac{C}{O}OH(l)$

$3$ Octanoic acid

$C_7{H}_{15}\frac{C}{O}OH(l)$

$4$ Octadecanoic acid

$C{H}_3(C{H}_2{)}_{16}\frac{C}{O}OH(l)$

Butanoic acid can be described as an compound, and the functional group in butanoic acid is ii

The statement above is completed by the information in row

$\backslash$table$[[$Row$,i,ii$