Among the following, the molecule expected to be stabilized by anion formation is :
C₂, O₂, NO, F₂

The ion that has sp³d² hybridization for the central atom, is :

The covalent alkaline earth metal halide (X = Cl, Br, I) is :

Among the following molecules / ions, $$C_2^{2 - },N_2^{2 - },O_2^{2 - },{O_2}$$ which one is diamagnetic and has the shortest bond length?