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Why does nitric oxide become broen when ...

Why does nitric oxide become broen when released inn air?

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Nitric oxide, NO readily combines with `O_2` of the air to form nitrogen dioxide `(NO_2)` which has brown colour.
`underset("Colourless")(2NO) + O_2 to underset("Brown")(2NO_2)`
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BETTER CHOICE PUBLICATION-THE P-BLOCK ELEMENTS-QUESTION BANK
  1. Why does NO2 dimerise ?

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  2. What is the covalence of nitrogen in N2O5 ?

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  3. Why does nitric oxide become broen when released inn air?

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  4. Ionic solids conduct electricity in the molten state but not in the so...

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  5. Which gas is evolved when concentrated HCl is added to powdered potass...

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  6. Explain the difference in the structures of white and red phosphorus.

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  7. Draw the structure of P4O10.

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  8. What happens when white phosphorus is heated with concentrated NaOH so...

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  9. Explain why orthophosphorus acid, H3 PO3 is diprotic .

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  10. How do you account for the reducing behaviour of H3P02 on the basis of...

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  11. Why the basicity of all the acids of phosphorus is different?

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  12. Give the structure and basicity of H3PO4.

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  13. All the five bonds in PCl5 are not equivalent justify.

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  14. Draw the structure of PCl3.

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  15. Why are pentahalides more covalent than trihalides ?

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  16. Why does NO2 dimerise ?

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

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

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

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  20. What happens when ammonium nitrate is heated ?

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