Ncert Exercises & Solutions

Which of the following is not tetrahedral in shape?

$1 . {NH}_{4}^{+}$
$2 . {SiCl}_{4}$
$3 . {SF}_{4}$
$4 . {SO}_{4}^{2 -}$

Hint: The hybridization of sulphur in SF₄ is dsp³.

SF₄ has a sea-saw shaped as shown below: