Among the following, which one is a wrong statement?

• A

  ${\mathrm{PH}}_5$ and ${\mathrm{BiCl}}_5$ do not exist.
• B

  $\mathrm{p\pi }-\mathrm{d\pi }$ bonds are present in ${\mathrm{SO}}_2$.
• Correct answer
  C

  ${\mathrm{SeF}}_4$ and ${\mathrm{CH}}_4$ have the same shape.
• D

  ${\mathrm{I}}_3^{+}$ has a bent geometry.

Hence, the correct answer is option: 'C'.