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The HNH angle value is higher than HPH, ...

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

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To understand why the HNH angle is higher than the HPH, HAsH, and HSH angles, we can break down the explanation into clear steps: ### Step-by-Step Solution: 1. **Identify the Compounds**: - We are comparing the bond angles of HNH (ammonia), HPH (phosphine), HAsH (arsine), and HSH (stibine). All these compounds belong to the same group in the periodic table (Group 15). 2. **Understand the Trend in the Group**: ...
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NCERT ENGLISH-THE P-BLOCK ELEMENTS-EXERCISE
  1. Illustrate how copper metal can give different product on reaction wit...

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

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  3. The HNH angle value is higher than HPH, HAsH and HSbH angles. Why?

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  4. Why does R3P=0 exist but R3N=0 does not (R= alkyl group)?

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  5. Explain why NH(3) is basic while BiH(3) is only feebly basic ?

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

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  7. Write main differences between the properties of white phospghorus and...

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  8. Why does nitrogen show catenation properties less than prosphorus.

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  9. Give the disproportionation reaction of H3PO3.

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  10. Can PCl5 act as an oxidising as well as a reducing agent? Justify.

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

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

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  13. Knowing the electron gain enthalpy values for O rarr O^(Ө) and O rarr ...

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  14. Which aerosols deplete ozone?

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  15. Describe the manufacture of H(2)SO(4) by contact process?

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  16. How is SO2 an air pollutant?

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  17. Why are halogens strong oxidising agents ?

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  18. Explain why fluorine forms only one oxoacid, HOF.

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  19. Explain why inspite of nearly the same electronegativity, nitrogen for...

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  20. Write two uses of ClO2.

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