$\begin{array}{1 1} \text{(a) $\Delta H_{fus}$ is greater than $\Delta H_{vap}$} \\
\text{(b) $\Delta H_{fus}$ is equal to $\Delta H_{vap}$} \\ \text{
(c) $\Delta H_{fus}$ is smaller than $\Delta H_{vap}$} \\ \text{
(d) None of the mentioned}
\end{array} $
