Question

The geometry of sulphate ion is

• A. square planar
• B. tetrahedral
• C. square pyramidal
• D. octahedral

Answer 1

Answer: (B)

tetrahedral

Answer 2

The chemical formula of sulphate ion is $SO _{4}^{2-}$. $SO _{4}^{2-}=4 \sigma$ bonds $+0$ lone pair $=s p^{3}$ hybridisation and tetrahedral geometry tetrahedral structure of $SO _{4}^{2-}$ ion