7.38 Give the formula and describe the structure of a noble gas species which is isostructural with:

(i) ICl4–                

(ii) IBr2–                      

(iii) BrO3–

(i)  XeF4 is isoelectronic with ICl4– and has square planar geometry.

 

(ii) XeF2 is isoelectronic to IBr2- and has a linear structure.

 

(iii) XeO3 is isostructural to BrO3- and has a pyramidal molecular structure.