Question
A pH study using a glass electrode at 303 K for complex formation between Al3+ ions and [acac] (Table) in aqueous solution gives values of
A pH study using a glass electrode at 303 K for complex formation between Al3+ ions and [acac]— (Table) in aqueous solution gives values of logKl, IogK2 and logK3 as 8.6, 7.9 and 5.8.
(a). To what equilibria do these values refer?
(b). Determine values for Δ G°I,(303 K), Δ G°2(303K) and Δ G°3(303 K) and comment on the relative ease with which successive ligand displacement reactions occur.
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a The charge of the AI 3 ion is 3 and the charge of the acetylacetonate acad ion is 1 Here aeac acts ...
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Chemistry The Central Science
Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward
12th edition
321696727, 978-0132175081, 978-0321696724
