Home
Class 11
CHEMISTRY
When methane is burnt in oxygen to produ...

When methane is burnt in oxygen to produce `CO_2` and `H_2O`, the oxidation number of carbon changes by:

A

`-8`

B

zero

C

`+8`

D

`+4`

Text Solution

Verified by Experts

The correct Answer is:
C

`overset(-4)(CH_4 + 2O_2 to overset(+4-4)(CO_2) + 2H_2 O`
Oxidation number changer +4-(-4)=+8
Promotional Banner

Topper's Solved these Questions

  • REDOX REACTIONS

    BRILLIANT PUBLICATION|Exercise LEVEL -II|50 Videos
  • REDOX REACTIONS

    BRILLIANT PUBLICATION|Exercise LEVEL -III|50 Videos
  • REDOX REACTIONS

    BRILLIANT PUBLICATION|Exercise QUESTION|15 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

Determine the oxidation numbers of the atoms in H_2O_2 .

Calculate the oxidation number of oxygen in OF_2 and KO_2

Carbon combines with oxygen to form CO and CO_2 . State the law.

Calculate the oxidation number of S in H_2S and O in H_2O_2 .

BRILLIANT PUBLICATION-REDOX REACTIONS-LEVEL -I
  1. One mole of hydrazine (N(2)H(4)) loses 10 moles of electrons in a reac...

    Text Solution

    |

  2. For the redox reaction, MnO4^(-) + C2O4^(2-) + H^(+) to Mn^(2+) + CO2 ...

    Text Solution

    |

  3. The oxidation state of chromium in the final product formed in the rea...

    Text Solution

    |

  4. Amongst the following, identify the species with an atom in +6 oxidati...

    Text Solution

    |

  5. The reaction of white phosphorous with aqueous NaOH gives phsophine al...

    Text Solution

    |

  6. Hydrogen peroxide in its reaction with KIO4 and NH2OH respectively, is...

    Text Solution

    |

  7. Arrange the following in the increasing order of oxidation state of Mn...

    Text Solution

    |

  8. Which of the following has least oxidation state of Fe?

    Text Solution

    |

  9. In the reaction, 8Al + 3Fe3O4 to 4Al2O3 + 9Fe, the number of electrons...

    Text Solution

    |

  10. In the balanced chemical reaction, IO3^(-) + aI^(-) + bH^(+) to cH2O +...

    Text Solution

    |

  11. In alkaline medium ClO2 oxidises H2O2 to O2 and itself gets reduced...

    Text Solution

    |

  12. The oxidation state of iodine in IPO4 is

    Text Solution

    |

  13. In alkaline medium, H2O2 reacts with Fe^(3+) and Mn^(2+) separately to...

    Text Solution

    |

  14. When hydrogen peroxide is added to acidified potassium dichromate, a b...

    Text Solution

    |

  15. Number of moles of MnO4^(-) required to oxidise one mole of ferrous ox...

    Text Solution

    |

  16. Freshly prepared, bright blue coloured solution of sodium in liquid am...

    Text Solution

    |

  17. The oxidation number of nitrogen atoms in NH4NO3 are

    Text Solution

    |

  18. When methane is burnt in oxygen to produce CO2 and H2O, the oxidation ...

    Text Solution

    |

  19. Which of the following reactions do not involve oxidation reduction?

    Text Solution

    |

  20. In which of the following pairs is there the greatest difference in th...

    Text Solution

    |