The correct order of hybridisation of the central atom in the following species :
\(NH_4^+, PCl_5, SF_6 \) and \([Pt(Cl)_4]^{2-}\) is:
1
sp3, sp3d2, sp3d and dsp2
2
dsp2, sp3, sp3d, sp3d2 and dsp2
3
sp3, sp3d, sp3d2 and dsp2
4
dsp2, sp3d, sp3 and sp3d2