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why does [XeF5]- have a pentagonal planar structure?????

shreya k , 13 Years ago
Grade 11
anser 2 Answers
Godfrey Classic Prince

Last Activity: 13 Years ago

Dear shreya k,

[XeF5]- has 5 bond paris and two lone pairs & therefore it has a pentagonal planar structure !!

 

Hope this helped you immensely....

All the very Best & Good Luck to you ...

Regards,

AskIITians Expert,

Godfrey Classic Prince

IIT-Madras

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john

Last Activity: 7 Years ago

It is pentagonal planar but that’s because lone pair repulsion is greater than bond pair repulsion. So the two lone pairs occupy the apices of a pentagonal bipyramidal stucture. This places them further away from the other electron pairs then they would be if they were in the plane of five.
 

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