What type of hybridisation are expected on central atom of each of the following molecule:
(a) BeH2
(b) CH2Br2
(c) PF6−
(d) BF3
(e) CH22+
(f) CH3+
(g) CH3−
(h) SF6
(i) ICl3
(j) AlH3
(k) NH3
(l) SbF6−
(m) BH4−
(n) ClO4−
(o) I3−
(p) ClO3−
(q) ClO3+ .