Home
Class 12
CHEMISTRY
The number of electrons required to bala...

The number of electrons required to balanced the following equation-
`NO_(3)^(-)+4H^(+)+e^(-)rarr2H_(2)O+NO` is -

A

5

B

4

C

3

D

2

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • REDOX REACTIONS

    ALLEN|Exercise EXERICSE - 2|50 Videos

  • REDOX REACTIONS

    ALLEN|Exercise EXERICSE - 3|30 Videos

  • REDOX REACTIONS

    ALLEN|Exercise Questions|24 Videos

  • Redox Reaction

    ALLEN|Exercise All Questions|15 Videos

  • s-Block element

    ALLEN|Exercise All Questions|13 Videos

Similar Questions

Explore conceptually related problems

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

The value of n in NO_3^(-) + 4H^(+) + n e^(-) rarr 2 H_2O + NO is .

Complete and balance the following equation Fe+H_2O rarr

Complete and balance the following equation Fe_2O_3+H_2 rarr

Balance the following equation stepwise. H_aS_2O_(l)rarr H_2SO_(4(l))

Complete and balance the following equation : Al+H_2SO_4 rarr "____"+H_2

ALLEN-REDOX REACTIONS-Exercise - 1
  1. In the reaction VO+Fe(2)O(3) rarr FeO+V(2)O(5), the eq.wt. of V(2)O(5)...

    Text Solution

    |

  2. In the reaction, I(2)+2S(2)O(3)^(2-) rarr 2I^(-)+S(4)O(6)^(2-). Eq...

    Text Solution

    |

  3. Molecular weight of KBrO(3) is M. What is its equivalent weight, if th...

    Text Solution

    |

  4. In the reaction A^(-n2)+xe^(-)rarrA^(-n1) . Here, x will be :

    Text Solution

    |

  5. What would be the equivalent weight of the reductant in the reaction :...

    Text Solution

    |

  6. The eq. wt. of Na(2)S(2)O(3) as reductant in the reaction, Na(2)S(2)...

    Text Solution

    |

  7. The equivalent weight of FeC(2)O(4) in the change FeC(2)O(4)rarrFe^(...

    Text Solution

    |

  8. What will be n-factor for Ba(MnO(4))(2) in acidic medium? (Where it be...

    Text Solution

    |

  9. The number of mole of oxalate ions oxidised by one mole of MnO(4)^(-) ...

    Text Solution

    |

  10. Oxidising product of substance Na(3)AsO(3) would be

    Text Solution

    |

  11. In a reaction, 4 mole of electrons are transferred to 1 mole of HNO(3)...

    Text Solution

    |

  12. Balance given following half reaction for the unbalanced whole reactio...

    Text Solution

    |

  13. Choose the set coefficients that correctly balances the following equa...

    Text Solution

    |

  14. In the reaction : MnO(4)^(-)+xH^(+)+n e^(-)rarrMn^(2+)+yH(2)O What is ...

    Text Solution

    |

  15. The number of electrons required to balanced the following equation- ...

    Text Solution

    |

  16. The molar mass of CuSO(4).5H(2)O is 249. Its equivalent mass in the re...

    Text Solution

    |

  17. 2KMnO(4)+5H(2)S+6H^(+)rarr2Mn^(2+)+2K^(+)+5S+8H(2)O. In the above re...

    Text Solution

    |

  18. The value of n in : MnO(4)^(-)+8H^(+)+n erarr Mn^(2+)+4H(2)O is

    Text Solution

    |

  19. What is the value of n in the following equation : Cr(OH)(4)^(-)+OH^...

    Text Solution

    |

  20. For the redox reaction Zn+NO(3)^(-)rarr Zn^(2+)+NH(4)^(-) is basic m...

    Text Solution

    |