JEE Main & Advanced Sample Paper JEE Main Sample Paper-47

  • question_answer
    Actinides have greater tendency to form complexes than lanthanides because

    A)  the energies of 5f and 6d orbitals are very close

    B)  actinides are good reducing agents

    C)  the 5f orbitals are more diffuse than 4f orbital

    D)  of high charge/size ratio of actinide ions

    Correct Answer: D

    Solution :

     Compared to the lanthanides, the actinides have higher charge and smaller size of their ions, so, the tendency to form complex is greater than that of the lanthanides.

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