The critical temperature of water is higher than that of $O_2$ because the $H_2O$ molecule has -

What is the increasing order of dipole moment for the following compounds? $(i)$ Toluene $(ii)$ $m$-dichlorobenzene $(iii)$ $o$-dichlorobenzene $(iv)$ $p$-dichlorobenzene

Select the incorrect statement from the following.

The correct order of dipole moments of $NH_3$,$H_2O$ and $NF_3$ is

The dipole-dipole interaction energy between polar molecules in the solid state will be proportional to ...... [if $r$ denotes the distance between polar molecules]

The bond length of $HCl$ molecule is $1.275 \ \text{Å}$ and its dipole moment is $1.03 \ \text{D}$. The ionic character of the molecule (in percent) (charge of the electron $= 4.8 \times 10^{-10} \ \text{esu}$) is