Home
Class 12
CHEMISTRY
Why Cr^(2+) is strongly reducing while M...

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

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

How would you account for the following : Of the d^4 species, Cr^(2+) is strongly reducing while Mn(III) is strongly oxidising.

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.

In aqueous solution, Cr^(2+) is stronger reducing agent than Fe^(2+) . This is because

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

H_2O_2 is acting as a reducing agent as well as oxidising agent

Which is stronger reducing agent Cr^(2+) or Fe^(2+) and why ?

Which is a stronger reducing agent, SbH_(3) or BiH_(3) , and why ?

Sc^(3+) ion is colourless while Cr^(3+) Ion is coloured. Explain.

JMD PUBLICATION-SAMPLE QUESTION-EXAMPLE
  1. Why is phenol stronger acid than the alcohols ? Explain in detail.

    Text Solution

    |

  2. Show that the time required for 99% completion of a first order reacti...

    Text Solution

    |

  3. A first order reaction takes 40 min for 30% completion. Calculate t(1/...

    Text Solution

    |

  4. Why is dioxygen gas but sulphur a solid?

    Text Solution

    |

  5. Most of the compounds of transition elements are paramagnetic in natur...

    Text Solution

    |

  6. Why do transition metals have high enthalpies of atomization ?

    Text Solution

    |

  7. Transition metals form mostly coloured compounds.Explain.

    Text Solution

    |

  8. Transition elements and their compounds are found to be good catalysts...

    Text Solution

    |

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

    Text Solution

    |

  10. The d^1 configuration is very unstable in transition metal ions. Exp...

    Text Solution

    |

  11. What happens when : n-butyl chloride is treated with alcoholic KOH.

    Text Solution

    |

  12. What happens when - bromobenzene is treated with Mg in the presence ...

    Text Solution

    |

  13. What happens when : Ethyl chloride is treated with (aq) KOH.

    Text Solution

    |

  14. Methyl bromide is treated with sodium in the presence of dry ether.

    Text Solution

    |

  15. What happens when : Methyl chloride is treated with KCN.

    Text Solution

    |

  16. Explain the following reaction reaction : Sandmeyer's reaction.

    Text Solution

    |

  17. Write the following reactions: Finkelstein reaction

    Text Solution

    |

  18. Write down following name reaction : Hunsdiecker reaction

    Text Solution

    |

  19. Give the following reactions: Fitting reaction

    Text Solution

    |

  20. Explain the following reactions : Ulmann reaction

    Text Solution

    |