Home
Class 11
CHEMISTRY
The number of electrons lost in the foll...

The number of electrons lost in the following change is
`Fe+H_(2)OrarrFe_(3)O_(4)+H_(2)`

Text Solution

Verified by Experts

The correct Answer is:
8
`{:(3Fe^(0)rarr(Fe^(+(8//3)))_(3)+8e),("["(H^(+))_(2)+2erarr(H^(0))_(2)"]"xx4),(bar(3Fe+4H_(2)OrarrFe_(3)O_(4)+4H_(2))):}`
`:.` Lost electron `=8`
Promotional Banner

Topper's Solved these Questions

  • REDOX REACTIONS

    P BAHADUR|Exercise Exercise (7) Comprehension based objective problems|20 Videos

  • REDOX REACTIONS

    P BAHADUR|Exercise Exercise(8) Statement:Explanation type problems|19 Videos

  • REDOX REACTIONS

    P BAHADUR|Exercise Exercise (4) Objective problems|15 Videos

  • RADIO ACTIVITY

    P BAHADUR|Exercise Exercies 9|99 Videos

  • THERMOCHEMISTRY

    P BAHADUR|Exercise Exercise 9 Advance numerical problems|31 Videos

Similar Questions

Explore conceptually related problems

Balance the following chemical eqution: Fe(s)+H_(2)O(g)rarrFe_(3)O_(4)(s)+H_(2)(g)

Identify oxidizing agent in the following reactions: 3Fe+4H_(2)OrarrFe_(3)O_(4)+4H_(2)

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

Balance the equation , Fe + H_(2)O to Fe_(3)O_(4) + H_(2)

P BAHADUR-REDOX REACTIONS-Exercise (6) Integer answer type problems
  1. Find the oxidation number of Mn in the product of alkaline oxidative f...

    Text Solution

    |

  2. 1 mole each of FeC(2)O(4) and FeSO(4) is oxidised Calculate by 1M KMnO...

    Text Solution

    |

  3. The value of x in the partial redox equation MnO(4)^(-)+8H^(+)+xe hA...

    Text Solution

    |

  4. The equivalent weight of KMnO(4) in (a) neutral medium, (b) acidic med...

    Text Solution

    |

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

    Text Solution

    |

  6. 2Mn(2)O(7)rarr4MnO(2)+3O(2) ( if M is m ol.wt. of Mn(2)O(7)). Find the...

    Text Solution

    |

  7. One mole of N(2)H(4) loses ten moles of electrons to form a new compou...

    Text Solution

    |

  8. The number of electrons lost in the following change is Fe+H(2)Orarr...

    Text Solution

    |

  9. If K(2)Cr(2)O(7) is source of Cr(2)O(7)^(2-), what is the normality of...

    Text Solution

    |

  10. A 1.10 g sample of copper ore is dissolved and the Cu^(2+) of is treat...

    Text Solution

    |

  11. For the reaction M^(x+)+MnO(4)^(ө)rarrMO(3)^(ө)+Mn^(2+)+(1//2)O(2) ...

    Text Solution

    |

  12. Calculate the number of moles of Sn^(2+) ion oxidise by 1 mole of K(2)...

    Text Solution

    |

  13. In the equation NO(2)^(ө)+H(2)OrarrNO(3)^(ө)+2H^(o+)+n e- n stands...

    Text Solution

    |

  14. On combustion of CH(4) to CO(2) and H(2), the oxidation number of carb...

    Text Solution

    |

  15. Ammonium vanadate on theating with oxalic acid forms a compound (Z). A...

    Text Solution

    |

  16. Find the numbers of moles of As(2)S(3) required to reduce 56 moles of ...

    Text Solution

    |

  17. Among the following , the number of elements showing only one non-zero...

    Text Solution

    |

  18. The difference in the oxidation numbers of two types of sulphul atoms ...

    Text Solution

    |