Volumes of activation for dissociation of pentacyanoferrates(II) through pressure and salt effects on reactivity期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Volumes of activation for dissociation of pentacyanoferrates(II) through pressure and salt effects on reactivity

Authors:	Ahmad Al-Alousy Saad Alshehri John Burgess Maria del Mar Graciani Maria-Luisa Moya Ernestina Muñoz Amalia Rodriguez Francisco Sanchez

Affiliation:	(1) Department of Chemistry, University of Leicester, LE1 7RH Leicester, UK;(2) Present address: King Khalid Military Academy, PO Box 22140, 11490 Riyadh, Saudi Arabia;(3) Departamento de Quimica Fisica, Universidad de Sevilla, 41012 Sevilla, Spain

Abstract:	Summary Dependences of rate constants on pressure (up to 1 kbar) and on added salt concentration (up to 6.0 mol dm^–3 LiNO₃, NaNO₃, NaCl, Na₂SO₄ or KNO₃) have been established for dissociative substitution of pentacyanoferrates(II), [Fe(CN)₅L]^3– with L = 4-cyanopyridine, 4,4-bipyridyl, 4-phenylpyridine and 4-t-butylpyridine. Activation volumes derived directly from pressure effects, and indirectly from salt effects via surface tension dependences and derived surfaces of activation, are reported, compared and discussed.

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