write the formula and describe the structure of anoble gas species which is isostructural with
ibr2 br03
assing reasons for the following 
sf6 is kinetically inert
nf3 is an exothermic compound whereas ncl3 is not
hcl is a stronger acid than hf through fluorine is more electronegative than chlorine

Asked by mahamood.iphone | 3rd Jan, 2016, 11:17: AM

Expert Answer:

(i) XeBr2 or XeF2

XeF2 is isoelectronic to IBr2- (2 Bond pairs + 4 lone pairs = 6, sp3d2 occupied with 2 lone pairs) and it has a linear structure.

(ii) XeO3

XeO3 is isostructural to BrO3- (3 Bond pairs + 1 lone pair =4, sp3 occupied by one lone pair) and has a pyramidal molecular structure.

 

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Answered by Hanisha Vyas | 3rd Jan, 2016, 05:07: PM