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 O to Fe_3 O_4 +H_2`

A

2

B

4

C

6

D

8

Text Solution

Verified by Experts

The correct Answer is:
8

In the reaction `3Fe +4H_2 O to Fe_2 O_4 + 4 H_2 ` total number of electron lost or gained is 8
Promotional Banner

Topper's Solved these Questions

  • REDOX REACTIONS

    BRILLIANT PUBLICATION|Exercise LEVEL -II|50 Videos
  • PURIFICATION AND CHARACTERISATION OF ORGANIC COMPOUNDS

    BRILLIANT PUBLICATION|Exercise LEVEL- III (Linked Comprehension Tyne (Paragraph I))|12 Videos
  • S-BLOCK ELEMENTS

    BRILLIANT PUBLICATION|Exercise LEVEL-III (Linked Comprehension Type)|9 Videos

Similar Questions

Explore conceptually related problems

Which of the following are lewis acids? 'H_2 O, B F_3, H^+ , N H4+

Give the number of electrons in thé species 'H_2^+, H_2' and 'O_2^+'.

Balance the following equations. H_2 + O_2 rarrH_2O

Suggest methods for concentration of the following ores?1. ZnS 2. Fe_2 O_3 3. Cu_2 S

Among the following, the number of compounds that can react with PCl_5 to give POCI_3 is O_2 , CO_2 , SO_2 , H_2 O , H_2 SO_4 , P_4 O_(10)

Predict the sign of entropy change in the following reactions. i) O_2(g)+2 SO_2(g) rarr 2 SO_3(g) ii) 2 H_2(g)+O_2(g) rarr 2 H_2 O(g)

BRILLIANT PUBLICATION-REDOX REACTIONS-LEVEL -III
  1. The number of moles of KmnO(4) reduced by 1 mol of Kl in alkaline medi...

    Text Solution

    |

  2. In the following reaction, M^(x+)+MnO4^(-) to MO3^(-) +Mn^(2+)+1/2 O...

    Text Solution

    |

  3. The number of electrons lost in the following change is: Fe+H2 O to Fe...

    Text Solution

    |

  4. Match the reactions in column I with their respective characteristics ...

    Text Solution

    |

  5. Match the reactions in column I with the nature of the reactions/type ...

    Text Solution

    |

  6. Match the compound with the average oxidation state of Fe.

    Text Solution

    |

  7. Match the reaction with its type.

    Text Solution

    |

  8. Match the reactions given in column I with their respective oxidant/re...

    Text Solution

    |

  9. Assertion : Conversion of potassium ferrocyanide to potassium ferricya...

    Text Solution

    |

  10. Assertion : In the reaction between potassium permanganate and potassi...

    Text Solution

    |

  11. Assertion : Displacement reactions of chlorine, bromine and iodine usi...

    Text Solution

    |

  12. Statement 1 : In CIF3, chlorine has the oxidation number-1. Statement ...

    Text Solution

    |

  13. Assertion : The two Fe atoms in Fe3O4, have different oxidation number...

    Text Solution

    |

  14. The salt of an alkali metal gives violet colour in the flame test. Its...

    Text Solution

    |

  15. Which of the following oxides of carbon has fractional oxidation state...

    Text Solution

    |

  16. Which of the following compounds of carbon has highest oxidation state...

    Text Solution

    |

  17. Oxidation state of carbon in diamond is:

    Text Solution

    |

  18. Oxidation reaction involves loss of electrons, and reduction reaction ...

    Text Solution

    |

  19. Oxidation reaction involves loss of electrons, and reduction reaction ...

    Text Solution

    |

  20. Which of the following statements is wrong?

    Text Solution

    |