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Nitrogen molecule is highly stable - Why...

Nitrogen molecule is highly stable - Why ?

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VGS PUBLICATION-BRILLIANT-MOST IMPORTANT QUESTIONS-P - BLOCK ELEMENTS (VERY SHORT ANSWER TYPE QUESTIONS)
  1. Nitrogen exists as diatomic molecule and phosphorus as P(4) - Why ?

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  2. Nitrogen molecule is highly stable - Why ?

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

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

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

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  6. Hydrogen bond is

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

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

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

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

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  11. Write the oxidation states of phosphorus in solid "PCl"(5).

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  12. H(3)"PO"(3) is diprotic while H(3)"PO"(2) is monoprotic - Why ?

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  13. Bond angle in "PH"(4)^(" "+) is higher than that in "PH"(3). Why ?

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  14. Why is H(2)O a liquid while H(2)S is a gas ?

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  15. What is tailing of mercury?

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  16. Write the reactions of F(2) and Cl(2) with water.

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  17. Explain the reactions of Cl(2) with NaOH.

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  18. What happens when Cl(2) reacts with dry slaked lime ?

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  19. Chlorine acts as an oxidizing agent - explain with two examples.

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  20. How is chlorine manufactured by Deacon's method ?

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