The correct increasing order for bond angles
among BF₃, PF₃ and C$\mathcal{l}$F₃ is :

Match List I with List II

Choose the correct answer from the options given
below:

Total number of electron present in ($\mathrm{\pi }$*) molecular

orbitals of O₂ , $O_2^{+}$ and $O_2^{-}$is_______.

The number of molecules/ions that show linear geometry among the following is

${\mathrm{SO}}_2, {\mathrm{BeCl}}_2, {\mathrm{CO}}_2, {{\mathrm{N}}_3}^{-}, {\mathrm{NO}}_2, {\mathrm{F}}_2\mathrm{O}, {\mathrm{XeF}}_2, {{\mathrm{NO}}_2}^{+}, {{\mathrm{I}}_3}^{-}, {\mathrm{O}}_3$

Arrange the following compounds in increasing order of their dipole moment :

$\mathrm{HBr}, {\mathrm{H}}_2\mathrm{S}, {\mathrm{NF}}_3 \mathrm{and} {\mathrm{CHCl}}_3$

 Match the LIST-I with LIST-II

 Choose the correct answer from the options given below:

$$\begin{gathered} \mathrm{A} \mathrm{compound} \text{'}\mathrm{X}\text{'} \mathrm{absorbs} 2 \mathrm{moles} \mathrm{of} \mathrm{hydrogen} \mathrm{and} \\ \text{'}\mathrm{X}\text{'} \mathrm{upon} \mathrm{oxidation} \mathrm{with} {\mathrm{KMnO}}_4 | {\mathrm{H}}^{+} \mathrm{gives} \end{gathered}$$

$$\begin{gathered} \mathrm{The} \mathrm{total} \mathrm{number} \mathrm{of} \mathrm{\sigma } \mathrm{bonds} \mathrm{present} \mathrm{in} \mathrm{the} \\ \mathrm{compound} \text{'}\mathrm{X}\text{'} \mathrm{is} \mathrm{\_\_\_\_\_\_\_\_\_}. \end{gathered}$$