Question

give the formula of noble gas species which is isostructural with IBr2 ?

Answer 1

Thanks for asking the question.
Xenon is the noble gas. Its compound that has the same structure as IBr2 is xenon fluoride that is XeF2. There is same number of valence electrons in both of them that is twenty two. Both have the same molecular geometry and same bond angles. They are linear molecules.
Hope it helps.

Answer 2

Answer:

XeF2

Explanation:

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