Which of the following has a pyramidal structure?

In which molecule are all bonds not equal?

Which of the following molecules can be represented as $AB_2E_2$,where $A$ is the central atom,$B$ represents bond pairs of electrons,and $E$ represents lone pairs of electrons?

The shape of the molecule $ClF_3$ is

Which of the following compounds has the smallest bond angle $(X-A-X)$ in each series respectively?

$A$. $OSF_2, OSCl_2, OSBr_2$

$B$. $SbCl_3, SbBr_3, SbI_3$

$C$. $PI_3, AsI_3, SbI_3$

The molecule which has a pyramidal shape is