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

Why do transition elements show variable oxidation state?

Text Solution

Verified by Experts

The correct Answer is:
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 BLOCK ELEMENTS

    RESONANCE|Exercise EXERCISE-3 PART-II|26 Videos

  • D & F BLOCK ELEMENTS

    RESONANCE|Exercise INORGANIC CHEMISTRY(d & f- Block Elments)|40 Videos

  • DPP

    RESONANCE|Exercise QUESTIONS|223 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.

RESONANCE-D BLOCK ELEMENTS-EXERCISE-3 PART-III
  1. What is the effect of increasing pH on K2Cr2O7 solution?

    Text Solution

    |

  2. What is the basic difference between the electronic configuration of t...

    Text Solution

    |

  3. Why do transition elements show variable oxidation state?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  6. The outer electronic configuration of two members of the lanthanoid se...

    Text Solution

    |

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

    Text Solution

    |

  8. Write all posible oxidation state of an element having atomic number 2...

    Text Solution

    |

  9. Why is +2 oxidation state of mmanganese quite stable while the same is...

    Text Solution

    |

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

    Text Solution

    |

  11. Write the electronic configuration of the element with atomic number 1...

    Text Solution

    |

  12. (a) Describe the general trends in the following properties of the fir...

    Text Solution

    |

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

    Text Solution

    |

  14. Assign reasons for the following : (i) The enthalpies of atomisatio...

    Text Solution

    |

  15. How would you account for the fact that actinoids exhibit a larger num...

    Text Solution

    |

  16. (a) Complete the following chemical reaction equation :(i)MnO(4(aq))^(...

    Text Solution

    |

  17. Explain the following observation: (i) Generally there is an increas...

    Text Solution

    |

  18. How would you account for the following? (i) The atomic radii of the...

    Text Solution

    |

  19. Explain the following cases giving appropriate reason: (i) Nickel do...

    Text Solution

    |

  20. (a) Complete the following chemical equation: (i) Cr(2)O(7)^(2-)(aq)...

    Text Solution

    |