$$\begin{array}{c}\mathrm{H}{}_3\mathrm{C}\end{array}-\begin{array}{c}\mathrm{H}\\ |\\ \mathrm{C}\\ |\\ \mathrm{OH}\end{array}-\begin{array}{c}\mathrm{H}{}_3\mathrm{C}\end{array}\underset{\mathrm{catalisador}}{\overset{\mathrm{aquecimento}}{\to }}\begin{array}{c}\mathrm{H}{}_3\mathrm{C}\end{array}-\begin{array}{c}\\ \\ \mathrm{C}\\ \Vert \\ \mathrm{O}\end{array}-\begin{array}{c}\mathrm{H}{}_3\mathrm{C}\end{array}+\mathrm{H}{}_2$$

$$\mathrm{I}\underset{\mathrm{catalisador}}{\overset{\mathrm{aquecimento}}{\to }}\mathrm{II}$$

Assinale a afirmação verdadeira: