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Explain the following situations : In...

Explain the following situations :
In the structure of `HNO_3` molecule, the N - O bond (121 pm) is shorter than N - OH bond (140 pm).

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N - O bond has a double bond character while N - OH bond is a single bond. A double bond has always a smaller bond length compared to the single bond.
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Explain the following situations : (i) In the structure of HNO_(3) molecule , the N-O bond (121 pm) is shorter than N-OH bond (140pm). (ii) SF_(4) is easily hydrolysed whereas SF_(6) is not easily hydrolysed. (iii) XeF_(2) has a straight linear structure and not a bent angular structure.

Account for the following : (i) NH_(3) is a stronger base than PH_(3) (ii) Sulphur has a greater tendency for catention than oxygen. (iii) Bond dissociation energy of F_(2) is less than that of Cl_(2) . (OR) Explain the following situations : (i) In the structure of HNO_(3) moleucle, the N-O bond (121 pm) is shorter than the N-OH bond (140 pm). (ii) SF_(4) is easily hydrolysed whereas SF_(6) is not easily hydrolysed. (iii) XeF_(2) has a straight linear structure and not a bent angular structure.

Which of the following statement are true . (i) In the structure of HNO_3 , the N- O bond (121 pm) is shorter than the N-ON bond (140pm) . (ii) All the P - Cl bonds in PCl_5 are not equivalent . (iii) I - Cl is more reactive than I_2 .

In the structure of HNO_(3) , why is N-O bond (121 pm) shorter than N-OH bond (140 pm) ?

How many sigma -bonds are present in the structure of N_(2)O_(3) ?

U-LIKE SERIES-THE P-BLOCK ELEMENTS -LONG ANSWER QUESTION-I
  1. Account for the following: Sulphur has a greater tendency for cate...

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  2. Account for the following: Bond dissociation energy of F2 is less ...

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  3. Explain the following situations : In the structure of HNO3 molecul...

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  4. Explain the following situations : SF4 is easily hydrolysed whereas...

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  5. Explain the following situations : XeF2 has a straight linear stru...

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  6. Explain the following observations giving appropriate reasons : Oz...

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  7. Explain the following observations giving appropriate reasons : Th...

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  8. Explain the following observations giving appropriate reasons : Bl...

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  9. Account for the following observations: among the halogens F2 is th...

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  10. Account for the following observations: fluorine exhibits only -1 o...

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  11. Account for the following observations: acidity of oxo acid of chlo...

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  12. Account for the following: Neon is not known to form compounds.

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  13. Account for the following: Although the electron gain enthalpy of f...

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  14. Account for the following: SbF5 is much more stable than BiF5 .

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  15. Account for the following : Chlorine water has both oxidising and bl...

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  16. Account for the following : H3PO2 and H3PO3 act as good reducing age...

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  17. Account for the following : On addition of ozone gas to KI solution...

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  18. Write down the equations for the hydrolysis of XeF4 and XeF6. Which of...

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  19. Write chemical equations for the following processes : Chlorine rea...

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  20. Write chemical equations for the following processes : Orthophospho...

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