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

Match the following molecules in List-$I$ with their respective dipole moments in List-$II$:
| List-$I$ (Molecules) | List-$II$ (Dipole moment $\mu$,$D$) |
| :--- | :--- |
| $A. \ H_2O$ | $I. \ 0$ |
| $B. \ BF_3$ | $II. \ 0.23$ |
| $C. \ NH_3$ | $III. \ 1.47$ |
| $D. \ NF_3$ | $IV. \ 1.85$ |

Which of the following will have the maximum dipole moment?

$A$ neutral molecule $XF_3$ has a zero dipole moment. The element $X$ is most likely

For which of the following molecules is the dipole moment $\mu \ne 0$?

Which of the following compounds has the highest dipole moment $(D)$?