Q. Which of the following pairs of compounds is isoelectronic and isostructural ?
A) $BeCl_2$, $XeF_2$
B) $TeI_2$, $XeF_2$
C) $IBr_2^-$, $XeF_2$
D) $IF_3$, $XeF_2$
Explanation
[Solution] $IBr_2^-$ and $XeF_2$ both have 3 lone pairs + 2 bond pairs on the central atom (linear) and the same number of valence electrons. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.