Answer:
a)3:2
Explanation:-
In XeF2 there are three lone pair of electrons and 6 lone electrons.
XeF2 has 3 lone pairs and 2 bond pair .
The shape of XeF2 is linear and it is [tex]sp^{2}d[/tex] hybridized.
In XeF4 , the number of lone pairs are two And lone pair of electrons are 4
XeF4 has 2 lone pairs and 4 bond pairs
The structure is square planar .
Hence the ratio is 3:2 (number of lone pairs )
General information:-
Xenon is a 18th group element and has 8 electrons in its valence shell.
It is an inert Gas , also called as a noble gas
It forms compounds like XeF2,XeF4,XeF6..