Give the shape of the following species
i) `NH_4^(+)`

Give the shape of the following species ii) HgCl_2

Give the shape of NH_4^+

Give the shape of HgCl_2

The stability order of the following species is:

Which of the following species is not linear?

The correct order of hybridisation of the central atom in the following species: 'NH_3, [PtCl_4]^(2-)PCl_5' and 'BCl_3' is