Question

Explain why noble gas has the least heat of vaporisation?

Answer 1

Dear Student,

$$\begin{gathered} \mathrm{Noble}\mathrm{gases}\mathrm{have}\mathrm{weak}\mathrm{intermolecular}\mathrm{force}\mathrm{of}\mathrm{attraction}\mathrm{i}.\mathrm{e}.\mathrm{van}\mathrm{der}\mathrm{waals}\text{'}\mathrm{forces},\mathrm{and}\mathrm{so}\mathrm{they}\mathrm{require}\mathrm{less}\mathrm{heat}\mathrm{for}\mathrm{vapourisation}. \\ \mathrm{Regards}, \end{gathered}$$