$$ \text { Match the following } $$
| $$ \begin{gathered} \text { List-I } \\ \text { (Molecule) } \end{gathered} $$ |
List-II (Dipole moment in D) |
||
|---|---|---|---|
| (A) | $$ \mathrm{HCl} $$ |
(I) | 1.85 |
| (B) | $$ \mathrm{NH}_3 $$ |
(II) | 1.07 |
| (C) | $$ \mathrm{H}_2 \mathrm{O} $$ |
(III) | 0.23 |
| (D) | $$ \mathrm{NF}_3 $$ |
(IV) | 1.47 |
The correct answer is
$$ \text { Which of the following sets are correctly matched? } $$
$$ \begin{array}{llcc} \hline & \text { Molecule } & \begin{array}{c} \text { Number of lone } \\ \text { pair of electrons } \\ \text { on central atom } \end{array} & \text { Hybridisation } \\ \hline \text { (I) } & \mathrm{PCl}_3 & 1 & s p^3 \\ \hline \text { (II) } & \mathrm{SO}_2 & 2 & s p^3 \\ \hline \text { (III) } & \mathrm{SF}_4 & 2 & s p^3 d^2 \\ \hline \text { (IV) } & \mathrm{ClF}_3 & 2 & s p^3 d \\ \hline \end{array} $$
The number of molecules having lone pair of electrons on central atom in the following is
$\mathrm{BF}_3, \mathrm{SF}_4, \mathrm{SiCl}_4, \mathrm{XeF}_4, \mathrm{NCl}_3, \mathrm{XeF}_6, \mathrm{PCl}_5, \mathrm{HgCl}_2, \mathrm{SnCl}_2$
Observe the following molecules/ions $\mathrm{NH}_4^{+}, \mathrm{NH}_3, \mathrm{BF}_3, \mathrm{OH}^{-}, \mathrm{CH}_3^{+}, \mathrm{H}^{+}, \mathrm{CO}, \mathrm{C}_2 \mathrm{H}_4$.
The number of Lewis bases in the above list is
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