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Which change represents an oxidation ?...

Which change represents an oxidation ?

A

`NO_(2)^(-)rarrN_(2)`

B

`VO^(2+)rarrVO_(3)^(-)`

C

`CIO^(-)rarrCl^(-)`

D

`CrO_(4)^(2-)rarrCr_(2)O_(7)^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
b
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GRB PUBLICATION-REDOX REACTIONS-All Questions
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  2. Which range includes the average oxidation state of S in Na(2)S(4)O(6)...

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  6. In which pair of substances do the nitrogen atoms have the same oxidat...

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  8. In which species does sulphur have the lowest oxidation state?

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  9. What is the average oxidation state of copper in the superconductor Y...

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  10. Which species has an atom with an oxidation number of +3 ?

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  11. What is the oxidation number of rhenium in Ca(ReO(4))(2) ?

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  12. When the half-reaction NO(3)^(-)rarrNO is balanced for one NO(3)^(-) i...

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  13. In the reaction ClO(3)^(-)(aq)+5Cl^(-)(aq)+6H^(+)(aq)rarr3Cl(2)(g)+3H(...

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  14. What is the oxidation number of C in formaldehyde, CH(2)O ?

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  15. Which one of the following connot act as an oxidizing agent ?

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  16. What is the oxidation number of As in the compound K(NH(4))(2)AsO(4).6...

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  17. aMnO(4)^(-)+bI^(-)+cH^(+)rarrdMn^(2+)+eI(2)+fH(2)O In above balance ...

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  18. In the reaction, xFeCl(3)+yH(2)SrarrFeCl(2)+S+HCl

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  19. For the redox reaction xP(4)+yHNO(3)rarrH(3)PO(4)+NO(2)+H(2)O

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  20. In the reaction xHI+yHNO(3)rarrNO+I(2)+H(2)O

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