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The p-Block Elements
Question
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XeF2 is isostructural with 

  • TeF2

  • ICl-2

  • SbCl3

  • BaCl3

Answer

B.

ICl-2

Species having the same number of bond pairs and lone pairs are isostructural (have same structure)

Species

 lp+bp

 Structure

 XeF2

  4 lp +2bp

Linear 

 TeF2

 2lp +2bp

 Angular or V-shape 

 ICl2-

 4lp +2bp

 Liner

 BaCl2

 0 lp +2bp

 (linear paper) Cl-Ba-Cl 

 Thus, XeF2, is isostructural with ICl2- and BaCl2.

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