Name:

What types of intermolecular forces exist between hydrogen fluoride molecules?

A$.$ London forces

B$.$ dipole$-$dipole interactions

C$.$ hydrogen bonding

D$.$ ion$-$dipole interactions

A$).$ II and III

B$)$ I,II$,$ and III

C$)$ I only

D$)$ III only

E$)$ I and III

Which one of the following involves ion$-$dipole interactions?

A$)N{a}^{+}$and $C{l}^{-}$

B$)H^{+}$and $C{H}_4$

C$)N{a}^{+}$and $M{g}^{2+}$

D$)2$ water molecules

E$)N{a}^{+}$and $H_{2}O$