$A$ molecule of the type $AX_5$ has square pyramidal geometry. Hence,the number of lone pairs on '$A$' is:

The bond angle in $PH_3$ would be expected to be close to ............. $^o$.

The shape of the $O_2F_2$ molecule is similar to which of the following?

Match List-$I$ with List-$II$.

List-$I$	List-$II$
$A. ICl$	$i. \text{Linear}$
$B. ICl_3$	$ii. \text{T-Shape}$
$C. ClF_5$	$iii. \text{Square pyramidal}$
$D. IF_7$	$iv. \text{Pentagonal bipyramidal}$

Choose the correct answer from the options given below:

The increasing order of the number of lone pairs of electrons on the central atom of the following molecules is:
$I) \ ClF_3$
$II) \ XeF_2$
$III) \ SF_4$
$IV) \ SiH_4$

Which of the following molecules has a square pyramidal geometry?