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Which equation represents an oxidation-r...

Which equation represents an oxidation-reduction reaction?

A

`H_(2)SO_(4)+2NH_(3)rarr(NH_(4))_(2)SO_(4)`

B

`H_(2)SO_(4)+Na_(2)CO_(3)rarrNa_(2)SO_(4)+H_(2)O+CO_(2)`

C

`2K_(2)CrO_(4)+H_(2)SO_(4)rarrK_(2)Cr_(2)O_(7)+K_(2)SO_(4)+H_(2)O`

D

`2H_(2)SO_(4)+CurarrCuSO_(4)+2H_(2)O+SO_(2)`

Text Solution

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The correct Answer is:
d
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GRB PUBLICATION-REDOX REACTIONS-All Questions
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  7. What is the average oxidation number of tungesten in the ion , W(6)O(6...

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  8. In which case does chromium undergo reduction?

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  9. In which species does the underlined elements have an oxidation number...

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  10. Which transformation is an oxidation ?

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  11. Which represents an oxidation ?

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  12. For the balanced equation : 8H^(+)(aq)+5Fe^(2+)(aq)+MnO(4)^(-)(aq)ra...

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  13. Which substance can act only as a reducing agent ?

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  14. Which species can act an oxidizing agent but not as a reducing agent ?

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  15. What is the oxidation number of Ti in the compound Na(2)Ti(3)O(7) ?

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  16. Which range includes the average oxidation state of S in Na(2)S(4)O(6)...

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  17. Which change represents an oxidation ?

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  18. What is the oxidation number of Mo in MoO(2)Cl(2) ?

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