Home
Class 12
CHEMISTRY
Why are the ionisation energies of 5d el...

Why are the ionisation energies of 5d elements greater than 3d elements?

Text Solution

Verified by Experts

In the 5d series, after alnthanium `(Z=57)` there is lanthanoid contraction. In each group the size of 5d elements Hence, ionisation energies of 5d elements are greater tan 3d elements.
Promotional Banner

Topper's Solved these Questions

  • D AND F BLOCK ELEMENTS

    CENGAGE CHEMISTRY|Exercise Ex 6.1 Subjective|12 Videos

  • D AND F BLOCK ELEMENTS

    CENGAGE CHEMISTRY|Exercise Ex 6.2 Subjective (Compound Of Fe :)|7 Videos

  • D AND F BLOCK ELEMENTS

    CENGAGE CHEMISTRY|Exercise Archives Subjective|29 Videos

  • COORDINATION COMPOUNDS

    CENGAGE CHEMISTRY|Exercise Archives Subjective|18 Videos

  • ELECTROCHEMISTRY

    CENGAGE CHEMISTRY|Exercise Archieves Subjective|35 Videos

Similar Questions

Explore conceptually related problems

The ionisation energies of tranition elements are:

Consider the following statements I.First ionisation energy of group 2 elements is greater than the corresponding elements of group 13 II.it is always difficult to pull out electrons from stable configuration Select the correct statement

The first ionisation energies of the elements of the transition series.

How does the ionisation energy of 1st group elements very ?

Higher values of ionisation energies of the 5d-transition elements are consistent with the:

CENGAGE CHEMISTRY-D AND F BLOCK ELEMENTS-Solved Example
  1. Why in any transition series, melting points first increase and then d...

    Text Solution

    |

  2. Atomic radius of Cu is greater than that of Cr but ionic radius of Cr^...

    Text Solution

    |

  3. Why hydrated copper sulphate is blue while anhydrous copper sulphate i...

    Text Solution

    |

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

    Text Solution

    |

  5. Explain why cuprous chloride (CuCI) is colourless white cupric shlorid...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  9. (a). K2PtCl2 is a well known compound whereas corresponding is not kno...

    Text Solution

    |

  10. (a). Of the lanthanides, cerium (Z=58) forms a tetrapositive ion, Ce^(...

    Text Solution

    |

  11. (a). Why second asnd third transition series elements show similar siz...

    Text Solution

    |

  12. (a). Chemistry of all the lanthanoids is quite similar. (b). The act...

    Text Solution

    |

  13. Identify A to E. Pyrolusite on heating with KOH in the presence of air...

    Text Solution

    |

  14. (a). CuSO4.5H2Ooverset(100^@)to(A)overset(230^@)to(B)overset(800^@)to(...

    Text Solution

    |

  15. (a). A powdered substance (A) on treatment with fusion mixture gives a...

    Text Solution

    |

  16. (a). An ore (A) on roasting with sodium carbonate and lime in the pres...

    Text Solution

    |

  17. Identify A to C. (a). An aqueous solution of a compoud (A) is acidic...

    Text Solution

    |

  18. How the following conversions are made? (a). Copper chloride from co...

    Text Solution

    |