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

  • question_answer 81)
        Why  values for Mn, Ni and Zn are more negative than expected?

    Answer:

                        Negative values of  and  are related to stabilities of half-filled, and completely filled configuration respectively. But for  value is related to the highest negative enthalpy of hydration. Hence,  values for Mn, Ni and Zn are more negative than expected.


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