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Which gas is evolved when PbO(2) is trea...

Which gas is evolved when `PbO_(2)` is treated with conc `HNO_(3)` ?

A

`NO_(2)`

B

`O_(2)`

C

`N)_(2)`

D

`N_(2)O`

Text Solution

Verified by Experts

The correct Answer is:
B
`PbO_(2)+4HNO_(3) to Pb(NO_(3))_(2)+2NO_(2)+2H_(2)O+O_(2)`.
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RESONANCE ENGLISH-P BLOCK ELEMENTS-ALP PART 1 OBJECTIVE
  1. Which of the following oxoacids of sulpher has -O-O- linkage ?

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  2. Which of the following will not be oxidised by O(3)?

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  3. Which gas is evolved when PbO(2) is treated with conc HNO(3) ?

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  4. Aqueous solution of Na(2)S(2)O(3) on reaction with CI(2), gives

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  5. Assign a reason for each of the following : (I) SCl(6) is not known ...

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  6. Bismuth is a strong oxidizing agent in the pentavalent state. Or penta...

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  7. H(3)PO(3) is diprotic (or dibasic). Why ?

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  8. How will you account for the following ? Bi(2)O(3) is not acidic in ...

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  9. Give reasons for the following observations : Why SF(4) undergoes hy...

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  10. Why do nitro compounds have high boiling points in comparison with oth...

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  11. Write the structure of the following species :1. Phosphoric acid 2. Ph...

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  12. Assign a reason for each of the following statements : (i) Ammonia ...

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  13. The electron gain enthalpy with negative sign for oxygen (-141 Kj mol^...

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  14. Bi(V) and Sb(V) which may be a stronger oxidizing agent and why ?

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  15. Complete the following chemical reaction equations : (i) P(4(s)) + N...

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  16. Account for the following : (i) NH(3) is a stronger base than PH(3) ...

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  17. Though nitrogen exhibits +5 oxidation state , it does not form pentaha...

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  18. Why does NO(2) dimerise ?

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  19. Draw the structures of white phosphorus and red phosphorus. Which one...

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  20. Complete the following chemical reaction equations : (i) l(2)+HNO(3...

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