$XeO_4$ molecule is tetrahedral having

The number of $p \pi-d \pi$ 'pi' bonds present in $XeO_3$ and $XeO_4$ molecules,respectively,are

Match the Xenon compounds in Column-$I$ with their structures in Column-$II$ and assign the correct code.

Column-$I$	Column-$II$
$(a) XeF_{4}$	$(i) \text{Pyramidal}$
$(b) XeF_{6}$	$(ii) \text{Square planar}$
$(c) XeOF_{4}$	$(iii) \text{Distorted octahedral}$
$(d) XeO_{3}$	$(iv) \text{Square pyramidal}$

Code: $(a) \quad (b) \quad (c) \quad (d)$

What is the structure of $XeF_6$?

The colored discharge tubes used for advertising mainly contain .........

The noble gas element that forms the largest number of compounds is .......