12th Class Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank 12th CBSE Chemistry The d-and f-Block Elements

  • question_answer
      The observed  value for Mn, Ni and Zn are more negative than expected. Explain.

    Answer:

      Due to extra stability of the half filled d sub-shell in and the completely filled d10 configuration in  they have lower ionisation enthalpy and hence more negative E° values whereas for Ni, E° is negative due to related to the highest negative  value.


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