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Discuss the molecular shape of BrF3 on t...

Discuss the molecular shape of `BrF_3` on the basis of VSEPR theory.

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Both Br and F have 7 electrons in their valence shells. The Lewis dot structure of `BrF_3` indicates that Br has 2 lone pairs and 3 bond pairs. A total of 5 pairs around Br indicates a trigonal bipyramid geometry with two equatorial positions occupied by lone pairs. Thus molecular shape of `BrF_3` slightly bent .T. -shaped.
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BETTER CHOICE PUBLICATION-THE P-BLOCK ELEMENTS-QUESTION BANK
  1. Why ClF3 exists, but FCl3 does not exist ?

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  2. Give important properties of magnets.

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  3. Discuss the molecular shape of BrF3 on the basis of VSEPR theory.

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  4. Draw the structure of following interhalogen compound. ClF3

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  5. Draw the structure of following interhalogen compound. IF5

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  6. Draw the structure of following interhalogen compound. IF7

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  7. With what neutral molecule is CIO^- isoelectronic? Is that molecule a ...

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  8. What are pseudohalogens ? Give example.

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  9. What are freons ?

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  10. Why are the elements of Group 18 known as noble gases ?

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  11. Why elements of Group 18 are less reactive or inert?

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  12. Noble gases have low boiling points. Explain.

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  13. Why has it been difficult to study the chemistry of radon?

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  14. Why electron gain enthalpies of noble gases are positive ?

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  15. Why noble gases have very high values of ionisation enthalpies?

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  16. Why is helium placed in p-block elements although its last electron en...

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  17. What inspired N. Bartlett,for carrying out the reaction between Xe and...

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  18. What inspired N. Bartlett,for carrying out the reaction between Xe and...

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  19. Among noble gases, only Xe is known to form chemical compounds. Why ?

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  20. Why do noble gases form compounds with fluorine and oxygen ?

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