Considere os compostos seguintes:

• I. $$\begin{array}{c}\mathrm{H}{}_3\mathrm{C}\end{array}-\begin{array}{c}\mathrm{H}{}_2\mathrm{C}\end{array}-\begin{array}{c}\mathrm{OH}\end{array}$$

• II. $$\begin{array}{c}\mathrm{H}{}_3\mathrm{C}\end{array}-\begin{array}{c}\\ \\ \mathrm{C}\\ \Vert \\ \mathrm{O}\end{array}-\begin{array}{c}\mathrm{CH}{}_3\end{array}$$

• III. $$\begin{array}{c}\mathrm{H}{}_3\mathrm{C}\end{array}-\begin{array}{c}\mathrm{H}{}_2\mathrm{C}\end{array}-\begin{array}{c}\mathrm{NH}{}_2\end{array}$$

• IV. $$\begin{array}{c}\mathrm{H}{}_3\mathrm{C}\end{array}-\begin{array}{c}\mathrm{H}{}_2\mathrm{C}\end{array}-\begin{array}{c}\\ \\ \mathrm{C}\\ |\\ \mathrm{NH}{}_2\end{array}=\begin{array}{c}\mathrm{O}\end{array}$$

• V. $$\begin{array}{c}\mathrm{H}{}_3\mathrm{C}\end{array}-\begin{array}{c}\mathrm{H}{}_2\mathrm{C}\end{array}-\begin{array}{c}\\ \\ \mathrm{C}\\ |\\ \mathrm{OH}\end{array}=\begin{array}{c}\mathrm{O}\end{array}$$

Entre as opções seguintes, qual é aquela que contém a afirmação falsa em relação a estes compostos ?