The shape of `I_3^-` is
(a) Tetrahedral
(b) Linear
(c) T-shape
(d) Triagonal planar

What is the shape of I_3^-

Shape of SF_4 is 1) Tetrahedral 2)Square planar 3)Trigonal Pyramid 4)See-saw

The linear shape of CO_(2) is due to :

The shapes of I_3^(+) XeF_5^(-) and SnCl_(2) are :- 1)Octahedral,trigonal bipyramidal and bent 2)Linear,pentagonal planar and linear 3)Bent,pentagonal planar and angular 4)Sea-Saw,T-shaped and linear

The ion which is not tetrahedral in shape :