Question

What are the bond angles in the central atom of the following: $\mathrm{NSF}$, ${\mathrm{OF}}_2$, and ${\mathrm{IBr}}_2$

Answer 1

${\mathrm{OF}}_2$:

• This is an example of ${\mathrm{AX}}_2{\mathrm{E}}_2$ ,because the electron geometry is tetrahedral and the molecular structure is bent, the electron geometry is tetrahedral.
• The theoretical bond angle is $109.5°$, but repulsions by lone pairs reduce it to around $103°$.