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What is inert pair effect ?...

What is inert pair effect ?

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Inert pair effect : The reluctance of ns pair of electrons to take part in bond formation is called inert pair effect.
`to` Bi exhibits +3 oxidation state instead of +5 due to inert pair effect.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-P-BLOCK ELEMENTS -GROUP 15 ELEMENTS (VERY SHORT ANSWER QUESTIONS)
  1. How is alpha- black phosphorus prepared from red phosphorus ?

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

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  3. What is inert pair effect ?

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

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  5. Arrange the hydrides of group - 15 elements in the increasing order of...

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  6. PH(3) is a weaker base than NH(3) - Explain.

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  7. A hydride of group -15 elements dissolves in water to form a bbasic so...

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  8. What happens when white phosphorus is heated with conc. NaOH solution ...

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

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

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  11. How do calcium phosphide and heavy water react ?

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  12. Ammonia is a good complexing agent - Explain with an example.

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  13. A mixture of "Ca"(3)"P"(2) and "CaC"(2) is used in making Holme's sign...

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  14. Which chemical compound is formed in the brown ring test of nitrate io...

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

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

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  17. How is nitric oxide (NO) prepared ?

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  18. Give one example each of normal oxide and mixed oxide of nitrogen.

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  19. NO is paramagnetic in gaseous state but diamagnetic in liquid and soli...

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  20. Give an example of acidic oxide of phosphorus

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