The structures of $O_3$ and $N_3^-$ are

The number of bent-shaped molecule/s from the following is $.....$. $N_3^{-}$,$NO_2^{-}$,$I_3^{-}$,$O_3$,$SO_2$

The dipole moment $\mu$ of $CH_4$ and $CCl_4$ is $0$. Predict their shapes. Provide the correct shape with reasons.

The bond angle $H-X-H$ is the greatest in the compound

Match List-$I$ with List-$II$ :

List-$I$ (Compound / Species)	List-$II$ (Shape / Geometry)
$A$. $SF_4$	$I$. Tetrahedral
$B$. $BrF_3$	$II$. Pyramidal
$C$. $BrO_3^{-}$	$III$. See-saw
$D$. $NH_4^{+}$	$IV$. Bent $T$-shape

Choose the correct answer from the options given below :

The number of molecules/ions that show linear geometry among the following is $.........$
$SO_2, BeCl_2, CO_2, N_3^{-}, NO_2, F_2O, XeF_2, NO_2^{+}, I_3^{-}, O_3$