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When PbO(2) reacts with conc. HNO(3) the...

When `PbO_(2)` reacts with conc. `HNO_(3)` the gas evolved is

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)` being a powerful oxidising agent , liberates `O_2 `, when treated with conc. `HNO_3 ` .
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-P-BLOCK ELEMENTS -Exercise 2
  1. Bond length is maximum in

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  2. Reduction potentials of some ions are given below. Arrange them in dec...

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  3. When PbO(2) reacts with conc. HNO(3) the gas evolved is

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  4. On heating Pb(NO3)2 the products formed ate :

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  5. The correct formula of salt formed by the neutraliation of hypophosph...

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  6. Zinc and cold dil. HNO(3) reacts to produce

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  7. Iron is dropped in dil. HNO(3) , it gives

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  8. When tin is treated with concentrated nitric acid

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  9. Among the following, the number of compounds that can react with PCl(5...

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  10. Among the following , the correct statement is

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  11. The number of P-P-P bridges in the structure of phosphorus pentoxide...

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  12. Consider the following statements, I. Fluorine forms two oxides OF(2...

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  13. The following acids have been arranged in order of decreasing acid str...

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  14. NH3 gas is dried over

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  15. Which one of the following compounds has the smallest bond angle in i...

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  16. Number of sigma bonds in P4 O(10) is :

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  17. On treating PCl(5) with H(2)SO(4), sulphuryl chloride (SO(2)Cl(2)) is ...

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  18. Write the conditions to maximise the yield of H2SO4 by contact process...

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  19. Each of the following is true for white and red phosphorus except that...

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  20. Which oxide does not act as a reducing agent?

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