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A brown ring is formed in the ring test ...

A brown ring is formed in the ring test for `NO_(3)^(-)` ion. It is due to the formation of

A

`[Fe(H_(2)O)_(5)(NO)]^(2+)`

B

`FeSO_(4).NO_(2)`

C

`[Fe(H_(2)O)_(4)(NO)_(2)]^(2+)`

D

`FeSO_(4),HNIO_(3)`

Text Solution

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The correct Answer is:
A
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PRADEEP-P-BLOCK ELEMENTS (NITROGEN FAMILY)-NCERT EXEMPLAR PROBLEMS WITH ANSWERS, HINTS AND SOLUTIONS (MULTIPLE CHOICE QUESTIONS-I)
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  2. Which of the following statement is wrong ?

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  3. A brown ring is formed in the ring test for NO(3)^(-) ion. It is due t...

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  4. Elements of group 15 form compounds in +5 oxidatin state. However, bis...

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  5. On heating ammonium dichromate and barium azide separately we get

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  6. In the preparation of HNO(3), we get NO gas by catalytic oxidation of ...

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  7. The oxidation state of central atom in the aniom of compound NaH(2)PO(...

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  8. Write a balanced chemical equation for the reaction showing catalytic ...

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  9. Write the structure of pyrophosphoric acid.

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  10. PH(3) forms bubbles when passed slowly in water but NH(3) dissolves. E...

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  11. In PCl(5) phosphorus is in sp^(3) d hybridised state but all its five ...

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  12. Why is nitric oxide paramagnetic in gaseous state but the solid obtain...

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  13. On reaction with Cl(2) phosphorus forms two types of halides 'A' and '...

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  14. In the ring test of NO(3)^(-) ion, Fe^(2+) ion reduces nitrate ion to ...

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  15. P(4)O(6) reacts with water according to equation P(4)O(6)to4H(3)PO(3)....

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  16. White phosphorus reacts with chlorine and the product hydrolyses in th...

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  17. Name three oxoacids of nitrogen . Write the disproportionation reactio...

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  18. Nitric acid forms an oxide of nitrogen on reaction with P(4)O(10). Wri...

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  19. (i) white phosphorus (ii) red phosporus and (iii) balck phosphorus. Wr...

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  20. Given an example to show the effect of concentration of nitric acid on...

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