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IF(7) exists but BrF(7) does not-why?...

`IF_(7)` exists but `BrF_(7)` does not-why?

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In `IF_(7)` the central iodine atom is large enough to accommodate seven F -atoms around its atomic sphere. However, the central Br -atom in `BrF_(7)` is not large enough to accommodate seven F -atoms within its atomic sphere. Because of this `IF_(7)` exists, but `BrF_(7)` does not.
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CHHAYA PUBLICATION-P-BLOCK ELEMENTS-SHORT ANSWER TYPE (SA)
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  3. IF(7) exists but BrF(7) does not-why?

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  10. Explain the bent T-shaped structure of CIF(3).

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  12. Arrange HOI, HOCl, HOBr in the order of increasing acidic strength. Ju...

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  13. With the help of a reaction show that the reactivity of halogens decre...

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  16. State, with equations, what happens when: XeF(4) reacts with KI.

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  17. State, with equations, what happens when: XeOF(4) is kept in a glass...

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  18. State, with equations, what happens when: XeF(2) reacts with iodoben...

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  19. State, with equations, what happens when: XeF(6) is hydrolysed.

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