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In the chemical change aN(2)H(4)+bBrO(3)...

In the chemical change `aN_(2)H_(4)+bBrO_(3)^(-)toaN_(2)+bBr^(-)+6H_(2)O`, answer the following questions:
Thenumber of electrons lost or gained during the redox change are:

A

8

B

10

C

12

D

6

Text Solution

Verified by Experts

The correct Answer is:
C, D
`[(N^(2-))_2 rarrN_2^(0)+4e]xx3`
`[Br^(5+)+6erarrBr^(-)]xx2`
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AAKASH SERIES-REDOX REACTIONS-ADDITIONAL PRACTICE EXERCISE PRACTICE SHEET (ADVANCED) (More than One correct answer Type Questions)
  1. Which of the following statements are not true about the following dec...

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  2. In the chemical change aN(2)H(4)+bBrO(3)^(-)toaN(2)+bBr^(-)+6H(2)O, an...

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  3. In the chemical change aN(2)H(4)+bBrO(3)^(-)toaN(2)+bBr^(-)+6H(2)O, an...

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  4. In the chemical change : aN(2)H(4)+bBrO(3)^(-) rarr aN(2)+bBr^(-) +6H(...

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  5. Some amount of ..20V.. H(2)O(2) is mixed with excess of acidifeid sol...

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  6. Some amount of ..20V.. H(2)O(2) is mixed with excess of acidifeid sol...

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  7. Some amount of ..20V.. H(2)O(2) is mixed with excess of acidifeid sol...

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  8. Match the following columns

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  9. Match the following .

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  10. The formula of a hydrated salt of barium is BaCl(2). xH(2)O If 1.936g...

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  11. Consider a titration of potassium dichromate solution with acidified M...

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  12. How many moles of Mg can reduce one mole of dil. HNO3 into NH(4)^(+) ...

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  13. Number of per oxide bonds in per xenate ion [XeO(6)]^(4-) is :

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  14. aH(2)S+bHNO(3)rarrcS +dNO+ eH(2)O. The value of ([(cxxd)-e])/((a-b))=

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  15. Oxidation number of .S. in (CH(3))(2) SO is:

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  16. Number of electrons taken up by nitrogen atom when a NO^(+) ion is re...

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  17. The oxidation number of Pt in K [PtNH(3)Cl(5)) will be

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  18. The number of electrons lost during the oxidation of Cr^(3+) " to " Cr...

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  19. KMnO4 oxidizes X^(n+) to XO3^(-) and it self changing to Mn+2is aci...

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  20. The coefficient of PH, in the following balanced equation will be: P(4...

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