Among the following,the weakest one is:

On what factors does the magnitude of London dispersion forces depend?

The dipole-dipole interaction energy between stationary polar molecules and rotating polar molecules,respectively,is proportional to: [$r$ is the distance between the polar molecules]

Identify the types of intermolecular forces present between the molecules of the following substances: $HF-HF$,$O_2-O_2$,$CH_4-CH_4$,$HF-H_2$,$CO$,$NO$,and $H_2O-H_2O$.

Intermolecular forces are forces of attraction and repulsion between interacting particles that will include :
$A$. dipole-dipole forces $B$. dipole-induced dipole forces $C$. hydrogen bonding $D$. covalent bonding $E$. dispersion forces
Choose the most appropriate answer from the options given below :

Lattice enthalpy for $NaCl$ is $+788 \ kJ \ mol^{-1}$ and $\Delta H_{\text{hyd}}^{\circ} = -784 \ kJ \ mol^{-1}$. The enthalpy of solution of $NaCl$ is: