Xe has eight electrons in its outermost shell It forms one sigma (σ) bond with fluorine and one double bond (1σ+1π) with oxygen Thus, number of bond pairs and lone pairs are
Compound
Bond pairs (bp)
Lone pairs(langle‌p)
(a)
XeF6
6
1
(b)
XeF4
4
2
(c)
XeOF4
2+4=6
1
(d)
XeO3
3×2=6
1
(e)
XeF2
2
3
Hence. (e) has maximum number of lone pairs of electrons.