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Following tests are shown by (i) Decol...

Following tests are shown by
(i) Decolourisation of acidified soln. of `KMnO_4`
(ii) Liberation of `I_2` from an acidified soln. of `K I`
(iii) On treatment with dil `HCl`, brown fumes of `NO_2` which turns `FeSO_4` soln. black.

A

Nitrites

B

Nitrates

C

Both (a) and (b)

D

Neither (a) nor (b)

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The correct Answer is:
A
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DISHA PUBLICATION-THE P-BLOCK ELEMENTS (GROUP 15, 16, 17 & 18)-Exercise
  1. Among the following compounds, which on heating do not produce N(2) ?

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  2. Which of the following species has the highest dipole moment?

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  3. Following tests are shown by (i) Decolourisation of acidified soln. ...

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  4. Which is the correct sequence in the following properties? For the cor...

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  5. Amongst the following compounds (I) H(5)P(3)O(10) (II) H(6)P(4)O(1...

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  6. Nitrogen forms N2, but phosphorus is converted into P4 from P, the rea...

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  7. In case of nitrogen, NCl(3) is possible but not NCl(5) while in case o...

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  8. What may be expected to happen when phosphine gas is mixed with chlori...

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  9. [X] +H(2)SO(4) to [Y] colourless with irritating smell. [Y] +K(2)Cr(2...

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  10. The correct order of O - O bond length in O(2)H(2)O(2) and O(3) is

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  11. Identify the correct sequence of increasing number of pi-bonds in the ...

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  12. The correct order of S-S bod length is following oxyanions is : (i) ...

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  13. Which of the following statements is false?

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  14. Oxygen and sulphur both are the members of the same group in periodic ...

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  15. A greenish yellow gas reacts with an alkali metal hydroxide to form a ...

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  16. Which one of the following pairs of reactantas does not form oxygen wh...

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  17. Which of the following is correct statement?

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  18. Only iodine forms hepta-fluroide IF(7), but chlorine and bromine give ...

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  19. The incorrect order is

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  20. Which of the following oxyacids of chlorine is formed on shaking chlor...

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