Which of the following species is non-linear ?

Options

A. `I Cl_2^(-)`
B. `I_3^(-)`
C. `N_3^(-)`
D. `ClO_2^(-)`

Answer

D

Explanation

`I Cl_2^(-)`- linear
`I_3^(-)` - linear
`N_3^(-)` - linear
`ClO_2^(-)`- angular due to `sp^3` hybridisation of Cl – atom