Home
Class 12
CHEMISTRY
Give an explanation for the following ob...

Give an explanation for the following observation : With the same d-orbital configuration `(d^4)`, `Cr^(2+)` ion is a reducing agent but `Mn^(3+)` ion is an oxidising agent.

Promotional Banner

Topper's Solved these Questions

  • d-AND f- BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise EXERCISE|1089 Videos

  • COORDINATION COMPOUNDS

    MODERN PUBLICATION|Exercise EXERCISE|971 Videos

  • ELECTROCHEMISTRY

    MODERN PUBLICATION|Exercise EXERCISE|529 Videos

Similar Questions

Explore conceptually related problems

Why Cr^(2+) is strongly reducing while Mn^(3+) is strongly oxidising ?

Give reason for the following : Mn^(3+) is a good oxidising agent.

Give the names of the following complex ion : [NiCl_4]^(2-)

Pb^(4+) acts as an oxidising agent but Sn^(2+) acts as reducing agent, why ?

Explain the following observations : Despite lower value of its electron gain enthalpy with negative sign, fluorine (F_2) is a stronger oxidising agent than Cl_2 .

Explain that SO_2 can act as an oxidising agent as well as a reducing agent, but SO_3 can act as an oxidising agent only.

Explain the following observations : Although Co^(2+) ion appears to be stable, it is easily oxidised to Co^(3+) ion in the presence of a strong ligand.

MODERN PUBLICATION-d-AND f- BLOCK ELEMENTS-EXERCISE
  1. Actinoid contraction is greater from element to element than lanthanoi...

    Text Solution

    |

  2. Give an explanation for the following observation : The greatest numbe...

    Text Solution

    |

  3. Give an explanation for the following observation : With the same d-or...

    Text Solution

    |

  4. Explain the following observation : In general, the atomic radii of tr...

    Text Solution

    |

  5. The E(M^(2+) // M)^@ for copper is positive (0.34 V). Copper is the on...

    Text Solution

    |

  6. The questions given below consist of an Assertion and a Reason. Use th...

    Text Solution

    |

  7. Which one of the following ions will exhibit colour in aqueous solutio...

    Text Solution

    |

  8. Express 1380 in roman numbers.

    Text Solution

    |

  9. Draw lewis structure of hydronium ion .

    Text Solution

    |

  10. Write chemical reaction for preparation of K2Cr207 from chromite ore.

    Text Solution

    |

  11. Write the oxidation of H2S by acidified KMnO4.

    Text Solution

    |

  12. Write the oxidation of H2S by acidified KMnO4.

    Text Solution

    |

  13. What are lanthanoids ?

    Text Solution

    |

  14. Why transition metals show catalytic properties?

    Text Solution

    |

  15. How would you account for the following: The d1 configuration is very ...

    Text Solution

    |

  16. How would you account for the following : SF(6) is kinetically inert...

    Text Solution

    |

  17. Why is the highest oxidation state of a metal exhibited in its oxide...

    Text Solution

    |

  18. Give reasons for the following : Copper cannot displace zinc from it...

    Text Solution

    |

  19. Why the actinoids exhibit a large number of oxidation states than the ...

    Text Solution

    |

  20. How would you account for the following : SF(6) is kinetically inert...

    Text Solution

    |