(d) ${ICl}_{2}^{-},\ I_{3}^{-},\ N_{3}^{-}\$are linear but$\ {ClO}_{2}^{-}\ is\ angular\ due\ to\ {sp}^{3}\ hybridisation\ of\ Cl\ atom.$ [image:4_image74.emf] So, ${ClO}_{2}^{-}$ is non-linear.
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