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The number of electrons required to bala...

The number of electrons required to balance the following equation are :
`NO_(3)^(-)+4H^(+)rarr2H_(2)O+NO`

A

5

B

4

C

3

D

2

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH INSTITUTE-REDOX REACTIONS-Assignment (Section B) (Objective type Questions (one option is correct))
  1. In the reaction 2Ag+2H(2)SO(4)rarrAg(2)SO(4)+2H(2)O+SO(2),H(2)SO(40act...

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  2. Which can act as an oxidising as well as a reducing agent ?

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  3. The number of electrons required to balance the following equation are...

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  4. Which of the following statement is correct about oxidation number ?

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  5. Which can act as a reducing agent ?

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  6. The oxidation number of Fe in Fe(0.94)O is

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  7. In this reaction 4Al + 3O(2) to 4Al^(3+) + 6O^(2-) which of the follow...

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  8. Calculate the oxidation numbers of Cr in K(3)CrO(8):

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  9. Peroxides are basic in nature and they form hydrogen peroxides on trea...

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  10. What is the difference in oxidation state of nitrogen in between hydro...

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  11. In which one of the following changes there are transfer of five elect...

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  12. How many gm of K(2)Cr(2)O(7) is present in 1 L of its N/10 solution in...

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  13. When Cu(2)S is converted into Cu^(2+) & SO(2) then equivalent weight o...

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  14. Which of the following changes involve reduction ?

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  15. FeS to Fe^(3+) + SO(3) Eq. wt. of FeS for this change is (mol. Wt....

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  16. The reaction Cl(2) + S(2)O(3)^(2-) + OH^(-) to SO(4)^(2-) + Cl^(-)...

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  17. The number of moles of KMnO(4) that will be needed to react completely...

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  18. 200 ml of 0.01 M KMnO(4) oxidise 20 ml of H(2)O(2) sample in acidic me...

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  19. If equal volumes of 1 M KMnO(4) and 1M K(2)Cr(2)O(7) solutions are all...

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  20. 4 mole of a mixture of Mohr's salt and Fe(2)(SO(4))(3) requires 500mL...

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