MCQ
The shape of $SO_4^{2 - }$ ion is
- ASquare planar
- ✓Tetrahedral
- CTrigonal bipyramidal
- DHexagonal
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$(i)\, {CCl_3}^-$ $(ii)\,CCl_2$ $(iii)\, (SiH_3)_2O$ $(iv)\, N(SiH_3)_3$
$(A)\, F^-, Na^+, Mg^{+2}$ $(B) \,Ni, Cu, Zn$
$(C)\, N^{-3}, Cs^+, H^-$ $(D)\, Li, He, Be^{+2}$