Enthalpies of hydration and values of the ligand-field splitting parameter, O , are given for some

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Enthalpies of hydration and values of the ligand-field splitting parameter, ΔO, are given for some octahedrally coordinated ions. 

(a) Plot the enthalpies of hydration against the number of d electrons. 

(b) Calculate LFSE in terms of ΔO for high-spin configuration. Use the given values of ΔO to find LFSE in kJ mol−1 for each ion. 

(c) Apply this energy as a correction term to the enthalpies of hydration and plot the estimated ΔH in the absence of ligand-field effects. Comment on this plot. (1 kJ mol−1 = 83.7 cm−1.)

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Inorganic Chemistry

ISBN: 9780198768128

7th Edition

Authors: Mark Weller, Tina Overton, Jonathan Rourke

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