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Ammonia is a good complexing agent - Exp...

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

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`NH_(3)` is a lewis base and it donates electron pair to form dative bond with metal ions. This results in the formation of complex compound.
Eg : `underset("blue")("Cu"_(("aq"))^(+2))+4"NH"_(3_(("aq")))iffunderset("deep blue")(["Cu"("NH"_(3))_(4)]_(("aq"))^(2+))`
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-P-BLOCK ELEMENTS -GROUP 15 ELEMENTS (VERY SHORT ANSWER QUESTIONS)
  1. The HNH angle is higher than HPH, HAsH and HSbH angles - Why ?

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  2. How do calcium phosphide and heavy water react ?

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

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

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

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

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

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  8. How is nitric oxide (NO) prepared ?

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

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

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  11. Give an example of acidic oxide of phosphorus

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  12. Give an example of neutral oxide of nitrogen.

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  13. Explain the following reaction of alkali with red phosphrous.

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  14. Explain the following reaction between "PCl"(3) and H(3)PO(3).

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  15. How does "PCl"(3) react with "CH"(3)"COOH"

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  16. How does "PCl"(3) react with "CH"(3)"COOH"

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  17. How does "PCl"(3) react with water.

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  18. PCl(3) can act as an oxidizing as well as a reducing agent - Justify.

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  19. Which of the following are not known ? "PCl"(3),"AsCl"(3),"SbCl"(3),...

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  20. Which of the following is more covalent - "SbCl"(5)" or ""SbCl"(3) ?

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