Question

The geometry of $I_3^{-}$ is

• A. triangular
• B. linear
• C. tetrahedral
• D. $T$ -shape

Answer 1

Answer: (B)

$I_3^{-}$ ion is $s{p}^{3}d$ -hybridised. Due to the presence of two lone pair of electrons its geometry becomes linear instead of trigonal bipyramidal.