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Why bismuth does not from pentahalides?...

Why bismuth does not from pentahalides?

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Bismuth due to inert pair effect i.e., reluctance of `6s^2` electrons to unpair and participate in chemical bond formation does not form pentahalides.
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Bismuth does not form stable pentahalides because of

Given reasion: (i) Thermal stability decreases from H_(2)O " to " H_(2)Te (ii) Fluoride ion has higher hydration enthalpy than chloride ion (iii) Nitrogen does not form pentahalide

Give reasons : Nitrogen does not form pentahalide.

Explain why both N and Bi do not form pentahalides while phosphorus does.

CENGAGE CHEMISTRY-APPENDIX INORGANIC VOLUME 2-Short Answer Type
  1. Why phosphorus is more reactive than nitrogen?

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  2. Why nitrogen does not form penthalides?

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  3. Why bismuth does not from pentahalides?

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  4. What type of hydridisation is involveed in the formation of pentahalid...

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  5. An element X belongs to group I or 2 or 15. Its oxide react with water...

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  6. A simole oxide of carbon and that another non-metal have the same Cp/C...

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  7. Which among the following is strongest reducing agent? BiH3,AsH3,PH3 a...

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  8. Which among N2O,P2O5,Sb2O and Bi2O5 is most unstable?

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  9. The electronegativity of nitrogen and chlorine is 3.0 Why nitrogen is ...

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  10. Arrange the following in the increasing order of the properties stated...

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  11. Arrange the above hydrides in order of increasing basic nature.

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  12. Which is most stable among above hydrides?

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  13. What are the neutral oxides of nitrogen?

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  14. What are the paramagnetic oxides of nitrogen?

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  15. Name the halides formed by nitrogen.

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  16. Why +5 state is uncommon in bismuth.

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  17. What is the principle of using ammonia in refrigeration?

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  18. Which element of group 15 undergoes sublimation?

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  19. Which of the elemetns of group 15 are metalloids?

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  20. What is the nature of the compounds of group 15 elements?

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