Home
Class 12
CHEMISTRY
Why do transition elements show variable...

Why do transition elements show variable oxidation state?

Text Solution

Verified by Experts

In the transition elements, the energies of `( n-1)` d-orbitals and ns orbitals are very close. Hence, electrons from both can participate in bonding.
Promotional Banner

Topper's Solved these Questions

  • D- AND F-BLOCK ELEMENTS

    PRADEEP|Exercise NCERT (QUESTIONS AND EXERCISES WITH ANSERS)|10 Videos

  • D- AND F-BLOCK ELEMENTS

    PRADEEP|Exercise NCERT INTEXT UNSOLVED QUESTIONS|10 Videos

  • D- AND F-BLOCK ELEMENTS

    PRADEEP|Exercise TEST YOUR GRIP( FILL IN THE BLANKS)|33 Videos

  • CORDINATION COMPOUNDS

    PRADEEP|Exercise Important Questions|28 Videos

  • ELECTROCHEMISTRY

    PRADEEP|Exercise IMPORTANT QUESTIONS FOR BOARD EXAMINATION|25 Videos

Similar Questions

Explore conceptually related problems

(a) Define transition elements. (b) Give general electronic configuration of f-block elements.(c ) Most of transition elements are coloured, why? (d ) Transition elements show variable oxidation states, why?

Explain the following : (i) Most of the transition elements show variable oxidation states. (ii) Many transition elements and their compounds are paramagnetic .

Explain the following : (i) Most of the transition elements show variable oxidation states. (ii) Most of the compounds of transition elements are coloured. (iii) Many transition elements and their compounds are paramagnetic .

The transition elements exhibit variable oxidation states because_______________.

Explain the following properties of transition elements. (i) Variable oxidation states (ii) Complex formation

Give reason for the following : (i) Mn shows the highest oxidation state of +7 with oxygen but with fluorine, it shows the highest oxidation state of +4 (ii) Transition metals show variable oxidation states. (iii) Actinoids show irregularities in their electronic configurations.

PRADEEP-D- AND F-BLOCK ELEMENTS-CONCEPTUAL QUESTIONS
  1. Explain why E^(@) for Mn^(3+)//Mn^(2+) couple is more positive than th...

    Text Solution

    |

  2. The E^(@) value in respect of the electrodes (Z=24), manganese (Z=25) ...

    Text Solution

    |

  3. Why do transition elements show variable oxidation state?

    Text Solution

    |

  4. How is the variability in oxidation states fo transition metals differ...

    Text Solution

    |

  5. Among lanthanoids, Ln (III) compounds are predominant. However, occasi...

    Text Solution

    |

  6. How would you account for the fact that the transition metals and thei...

    Text Solution

    |

  7. Why generally there is an increase in density of elements from titani...

    Text Solution

    |

  8. Giving reasons indicate which one of the following would be coloured ?...

    Text Solution

    |

  9. Scandium forms no coloured ions, yet it is regarded as a transition el...

    Text Solution

    |

  10. A substance is found to have a magnetic moments of 3.9BM.How many unpa...

    Text Solution

    |

  11. The paramagnetic character in 3d transition series elements increases ...

    Text Solution

    |

  12. Decide giving reason which one of the following pairs exhibits the pr...

    Text Solution

    |

  13. (a) of the ions Ag^(+),Co^(2+) and Ti^(+), which one will be coloured ...

    Text Solution

    |

  14. Why are the ionisation energies of 5d elements greater than 3d element...

    Text Solution

    |

  15. Describe giving reason which one of the following pairs has the proper...

    Text Solution

    |

  16. Give reason for the following features of transition metal chemistry: ...

    Text Solution

    |

  17. The 4d and 5d series of transition metals have more frequency metal-me...

    Text Solution

    |

  18. Give reasons for each of the following: (i) Size of trivalent lantha...

    Text Solution

    |

  19. Assign reason for each of the following statement: (i) The largest n...

    Text Solution

    |

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

    Text Solution

    |