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Discuss the molecular shape of "BrF"(3) ...

Discuss the molecular shape of `"BrF"_(3)` on the basis of VSEPR theory.

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The central atom Br has seven electrons in the valence shell. Three of these will form electronpair bonds with three fluorine atoms leaving behind four electrons. Thus, there are three bond pairs and two lone pairs. According to VSEPR theory, these will occupy the corners of a trigonal bipyramid. The two lone pairs will occupy the equatorial positions to minimise lone pair-lone pair and the bond pairlone pair repulsions which are greater than the bond pair-bond pair repulsions. In addition, the axial fluorine atoms will be bent towards the equatorial fluorine in order to minimise the lone-pair-lone pair repulsions. The shape would be that of a slightly bent .T..
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NCERT TELUGU-THE P-BLOCK ELEMENTS -Exercises
  1. Discuss the molecular shape of "BrF"(3) on the basis of VSEPR theory.

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  2. Discuss the general characteristics of Group - 15 elements with refere...

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  3. Why does the reactivity of nitrogen differ from phosphorus ?

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  4. Discuss the trends in chemical reactivity of group 15 elements

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  5. NH(3) forms hydrogen bonds but PH(3) does not - why ?

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  6. How is nitrogen prepared in the laboratory ? Write the chemical equa...

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  7. How is ammonia manufactured by Haber's process ? Explain the reactions...

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  8. Illustrate how copper metal can give different products on reaction wi...

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  9. Give the resonating structures of NO(2) and N(2)O(5).

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  10. The HNH angle is higher than HPH, HAsH and HSbH angles - Why ?

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  11. Why does R(3)P=O exist but R(3)B=O does not (R = alkyl group) ?

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  12. Explain why is NH(3) basic while "BiH"(3) is only feebly basic.

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  13. Nitrogen exists as diatomic molecule and phosphorus as P(4) - Why ?

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  14. Write the difference between the properties of white phosphorus and re...

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  15. Why does nitroggen show catenation properties less than phosphorus ?

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  16. Give the disproportionation reaction of H(3)PO(3).

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  17. Can PCl(5) act as an oxidising as well as a reducing agent? Justify.

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  18. Justify the placement of O, S, Se, Te and Po in the same group of the ...

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  19. Why is dioxygen a gas but sulphur a solid ?

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  20. Knowing the electron gain enthalpy values for O to O^(-) and O to O^(2...

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  21. Which aerosols deplete ozone?

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