[Solved] Among the triatomic molecules/ions, BeCl_5, N_3^-, N_2O, NO_2^+, O_3, SCl_2,ICl_2^-, I_3^- and XeF_2, the total number of linear molecule(s)/ion(s) where the hybridization of the central atom does not have contribution from the d-orbital(s) is [Atomic number: S = 16, Cl= 17, 1=53 and Xe = 54] - - JEE (Advanced) 2015 Paper-1