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Photocatalysis of chloroform degradation by μ-dichlorotetrachlorodipalladate(II) by Rachel Gilbert; Merve Karabulut; Patrick E. Hoggard is a Chemistry article available to read on EtoBox.

What is Photocatalysis of chloroform degradation by μ-dichlorotetrachlorodipalladate(II) about?

Unlike other chlorometallate complexes that catalyze the photodecomposition of haloalkanes through photodissociation of a chlorine atom, both PdCl 2À 4 and Pd 2 Cl 2À 6 catalyze chloroform decomposition through a process that appears to involve C-H bond breakage from an excited state association complex with chloroform. This would account for the greatly retarded rate of decomposition in CDCl 3 and for the generation of CCl 4 as a side product. In chloroform, Pd 2 Cl 2À 6 and PdCl 2À 4 are in slow equilibrium with each other. The rate for the conversion of Pd 2 Cl 2À 6 -PdCl 2À 4 in chloroform at 23 °C obeys the expression (0.03 M À1 s À1 ) [PdCl 2À 4 ][Cl À ]. The equilibrium constant, K = [Pd 2 Cl 2À 6 ][Cl À ] 2 /[PdCl 2À 4 ] 2 , was estimated to be 3 Â 10 À3 M in CHCl 3 .

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Author

Rachel Gilbert; Merve Karabulut; Patrick E. Hoggard

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0020-1693)

Published

2010

Language

EN

Field

Chemistry (Physical Sciences)