Home
Class 11
CHEMISTRY
A mixture of potassium chlorate, oxalic ...

A mixture of potassium chlorate, oxalic acid and sulphuric acid is heated. During the reaction which element undergoes maximum change in the oxidation number?

A

S

B

H

C

Cl

D

C

Text Solution

Verified by Experts

The correct Answer is:
C
`KClO_3 + H_2 C_2 O_4+ H_(2) SO_(4) rarr K_2SO_4 + KCl +CO_2 +H_2O`
Maximum change in oxidation number is observed in Cl (+5 to –1)
Promotional Banner

Topper's Solved these Questions

  • REDOX REACTIONS

    ERRORLESS|Exercise ASSERTION & REASON|6 Videos

  • REDOX REACTIONS

    ERRORLESS|Exercise NCERT BASED QUESTION (Redox Reaction and Method for Balancing Redox Reaction)|14 Videos

  • PURIFICATION, CLASSIFICATION AND NOMENCLATURE OF ORGANIC COMPOUNDS

    ERRORLESS|Exercise ASSERTION & REASON|9 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    ERRORLESS|Exercise ASSERTION & REASON|10 Videos

Similar Questions

Explore conceptually related problems

A mixture of potassium chlorate ,oxalic acid and sulphuric acid is heated.determine the reaction which element undergoes maximum change in the oxidation number?

Why is sulphuric acid not used during the reaction of alcohols with KI?

ERRORLESS-REDOX REACTIONS-PAST YEARS QUESTION
  1. Oxidation state of Fe in Fe3O4 is

    Text Solution

    |

  2. Oxidation states of P in H4P2O5, H4P2O6 and H4P2O7 are respectively

    Text Solution

    |

  3. A mixture of potassium chlorate, oxalic acid and sulphuric acid is hea...

    Text Solution

    |

  4. The correct order of N-compounds in its decreasing order of oxidation ...

    Text Solution

    |

  5. H(2)S may provide the colloidal sulphur by

    Text Solution

    |

  6. Which of the following processes does not involve oxidation of iron ?

    Text Solution

    |

  7. Which of the following is redox reaction ?

    Text Solution

    |

  8. Which is the best description of the behaviour of bromine in the react...

    Text Solution

    |

  9. Which of the following ion is spectator ion in the reaction given belo...

    Text Solution

    |

  10. Hot concentrated sulpuric acis is a moderatly strong oxidizing agent. ...

    Text Solution

    |

  11. Following reaction describes the rusting of iron 4Fe+3O(2) rarr 4Fe^...

    Text Solution

    |

  12. Which substance is serving as a reducing agent in the following reacti...

    Text Solution

    |

  13. The oxide which cannot act as reducing agent is

    Text Solution

    |

  14. The charge required for the reduction of 1 mol of MnO(4)^(-) to MnO(2)...

    Text Solution

    |

  15. When 0.1 mol MnO(4)^(2-) is oxidized the quantity of electricity requi...

    Text Solution

    |

  16. The number of moles of KMnO(4) that will be needed to react with one m...

    Text Solution

    |

  17. For the decolorization of 1 mol of KMnO4, the moles of H2O2 requiered...

    Text Solution

    |

  18. MnO(4)^(2-) (1 mole) in neutral aqueous medium is disproportionate to

    Text Solution

    |

  19. Which of the following reactions are disproportionation reactions? ...

    Text Solution

    |

  20. In the balanced chemical reaction IO(3)^(ө)+aI^(ө)+bH^(ө)rarrcH(2)O+...

    Text Solution

    |