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Concentrated HNO3, upon long standing, t...

Concentrated `HNO_3`, upon long standing, turns yellow-brown due to the formation of

A

`NO`

B

`NO_(2)`

C

`N_(2)O`

D

`N_(2)O_(4)`

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The correct Answer is:
B
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RESONANCE ENGLISH-QUALITATIVE ANALYSIS PART 1-EXERCISE 3
  1. A metal nitrate reacts with KI to give a black precipitate which on ad...

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  2. A solution when diluted with H(2)O And boiled gives a white precipita...

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  3. In blue solution of copper sulphate excess of KCN is added then solut...

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  4. MgSO(4) +NH(4)OH + Na(2)HPO(4) to white crystalline precipitate.The fo...

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  5. A solution of a metal ion when treated with KI gives a red precipitate...

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  6. A solution of colourless salt on boiling with excess NaOH produces a n...

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  7. p-Amino-N,N-dimethylaniline is added to a strongly acidic solution of ...

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  8. p-Amino-N,N-dimethylaniline is added to a strongly acidic solution of ...

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  9. p-Amino-N,N-dimethylaniline is added to a strongly acidic solution of ...

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  10. When a metal rod M is dipped into an aqueous colourless concetrated so...

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  11. When a metal rod M is dipped into an aqueous colourless concetrated so...

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  12. When a metal rod M is dipped into an aqueous colourless concetrated so...

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  13. In an acidified aqueous solution of Mn^(2+), Ni^(2+), Cu^(2+) and hg^(...

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  14. The equilibrium 2 Cu^(I)hArr Cu+Cu^(II) In aqueous medium at 25^@C ...

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  15. For the given aqueous reaction which of the statement(s) is (are) true...

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  16. Concentrated HNO3, upon long standing, turns yellow-brown due to the f...

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  17. Upon treatment with ammonical H(2)S solution, the metal ion precipitat...

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  18. An aqueous solution of a mixture of two inorganic salts when treated w...

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  19. An aqueous solution of a mixture of two inorganic salts when treated w...

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  20. Which one of the following statement is correct?

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