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In the equation NO(2)^(-)+H(2)OtoNO(3)^(...

In the equation `NO_(2)^(-)+H_(2)OtoNO_(3)^(-)+2H^(+)+"ne"^(-)` value of n is :-

A

1

B

2

C

3

D

4

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NARAYNA-REDOX REACTION-Exercise -4
  1. Which of the following reactions is not a disproportination reaction ?

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  2. Which of the following is not an intramolecular redox reaction?

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  3. In the equation NO(2)^(-)+H(2)OtoNO(3)^(-)+2H^(+)+"ne"^(-) value of n ...

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  4. Which of the following is an intermolecular redox reaction?

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  5. The oxidation state of A, B, and C in a compound are +2, +5, and -2, r...

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  6. The number of electrons lost in the following change is Fe+H(2)Orarr...

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  7. The oxidation number of Pt in [Pt (C(2)H(4))Cl(3))"]"^(ө) is

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  8. The oxidation number of P in Mg(2)P(2)O(7) is

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  9. The oxidation number of phosphorus in PO(4)^(3-), P(4)O(10), and P(2)O...

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  10. which of the following leads to redox reaction ?

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  11. The oxidation number of sulphur in Na2S4O6 is .

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  12. The oxidation state of iodine in H(4)IO(6)^(-) is:

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  13. When iron is rusted, it is

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  14. An element that never has a positive oxidation state in any of its com...

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  15. Starch iodide paper is used to test for the presence of

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  16. Which of the following acids possesses oxidising, reducing, and comple...

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  17. In the reaction 8Al+3Fe(3)O(4)rarr 4Al(2)O(3)+9Fe the number of el...

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  18. Which of the following examples does not represent disproportionation ...

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  19. Which of the following statements is//are correct

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  20. The oxide which cannot act as reducing agent is

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