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The P-Block Elements

Question
CBSEENCH12011129
Wired Faculty App

XeF2 is isostructural with 

  • TeF2

  • ICl-2

  • SbCl3

  • BaCl3

Solution

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.

Some More Questions From The p-Block Elements Chapter

Write a balanced equation for the hydrolytic reactions PCl5 in heavy water.

What is the basicity of H3PO4?

What happens when H3PO3 is heated?

List the important source of sulphur.

Write the order of thermal stability of the hydrides of Group 16 elements.

Why is H2O a liquid and H2S a gas?

Which of the following does not react with oxygen directly?
Zn, Ti, Pt, Fe

Complete the following reactions
(i) C2H4 + O2 →
(ii) 4Al + 3O2 →

Why does O3 act as a powerful oxidising agent?

How is O3 estimated quantitatively?

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