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Question:

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

(i) ICl-4

(ii) IBr-2

(iii) BrO-3

Answer:

(i) XeF4 is isoelectronic with  ICl-4 and has square planar geometry.

(ii) XeF2 is isoelectronic to  IBr-2 and has a linear structure.

(iii) XeO3 is isostructural to BrO-3 and has a pyramidal molecular structure.


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