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Why does NO2 dimerise ?...

Why does `NO_2` dimerise ?

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The high solubility of `NH_3` in water can be expalined on the basis of H-bonding ability of `NH_3` with `H_2 O`. `NH_3` dissolves in water to give `NH_4 OH`, which is feebly ionised to give `NH_4^-` and `OH^-` ions
`NH_3(g) + H_2 O(l) to NH_4 OH (aq)`
`NH_4 OH (aq) hArr NH_4^+ (aq) + OH^- (aq)`
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BETTER CHOICE PUBLICATION-THE P-BLOCK ELEMENTS-QUESTION BANK
  1. Draw the structure of PCl3.

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  2. Why are pentahalides more covalent than trihalides ?

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  3. Why does NO2 dimerise ?

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  4. Write two reactions of HNO3 with non-metals to show the oxidising char...

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  5. Explain the acidic character of Perchloric acid compared to sulphuric ...

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  6. Why white phosphorus is more reactive than red phosphorus?

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  7. What happens when ammonium nitrate is heated ?

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  8. What is laughing gas ?

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  9. Account for the following: The +2 oxidation state of lead is more stab...

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  10. Inert pair effect strongly exists in heavy p-block elements. Comment.

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  11. Why does R3 P=O exist but R3 N =O does not (R-alkyl group) ?

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  12. write the chemical equatikons when Ammonia reacts with aqueous FeCl3.

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  13. Write the chemical equations when Ammonia reacts with aqueous AlCl3.

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  14. Write the chemical equations when Ammonia reacts with aqueous CrCl3.

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  15. Write the chemical equations when Zinc reacts with dilute HNO3.

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  16. Write the chemical equations when Zinc reacts with dilute HNO3.

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  17. Write the chemical equations when: Zinc reacts with cone. HNO3

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  18. PCl5 is known but PI5 is not known. Why?

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  19. NCl3 is readily hydrolysed while NF3 does not. Explain.

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  20. NH3 is a strong base but NF3 does not show any basic property. Why?

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