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A mole of N(2)H(4) loses 10 mol of elect...

A mole of `N_(2)H_(4)` loses 10 mol of electrons to form a new compound Y. Assuming that all the nitrogen appears in the new compound, what is the oxidation state of nitrogen in Y ? ( There is no change in the oxidation number of hydrogen. )

A

`-1`

B

`-3`

C

`+3`

D

`+5`

Text Solution

Verified by Experts

The correct Answer is:
C
`N_(2)H_(4)rarr2y+10e^(-)`
`2x+4=0, 2y=2x`
`2x= -4`
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CENGAGE CHEMISTRY ENGLISH-REDOX REACTIONS-Exercises (Single Correct)
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  2. In a chemical reaction, K(2)Cr(2)O(7)+xH(2)SO(4)+ySO(2) to K(2)SO(4)+ ...

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  3. A mole of N(2)H(4) loses 10 mol of electrons to form a new compound Y....

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  4. When copper is treated with a certain concentration of nitric acid, ni...

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  5. In which of the following pairs in there the greatest difference in th...

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  6. In the reaction 3Br(2)+6CO(3)^(2-)+3H(2)Orarr5Br^(ө)+BrO(3)^(ө)+6HCO...

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  7. In the reaction 2FeCl(3)+H(2)Srarr2FeCl(2)+2HCl+S

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  8. The oxidation number of cobalt in K [Co(CO)(4)] is

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  9. Which of the following is not a disproprotionation reaction? I. NH(4...

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  10. which of the following represent redox reactions? I. Cr(2)O(7)^(2-)+...

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  11. In which of the following cases is the oxidation state of N atom wrong...

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  12. Question : Which of the following is not a disproprotionation reaction...

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  13. The number of moles of K(2)Cr(2)O(7) reduced by one mole of Sn^(2+) i...

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  14. Which of the following is redox reaction ?

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  15. The oxidation state of Fe in Fe(CO)(5) is

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  16. In which of the following pairs is there the greatest difference in th...

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  17. [Which of the following is not an intermolecular redox reaction?

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  18. The number of moles of KMnO(4) required to oxidise 1 mol of Fe(C(2)O(4...

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  19. In the reaction K+O(2)rarrKO(2)

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  20. Which of the following is the best description of the behaviour of bro...

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