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Author : Viljar Pihl
Publisher :
ISBN 13 :
Total Pages : 158 pages
Book Rating : 4.E/5 ( download)
Download or read book The Study of the Substituent and Solvent Effects on the Acidity of OH and CH Acids written by Viljar Pihl and published by . This book was released on 2001 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : O. A. Reutov
Publisher : Elsevier
ISBN 13 : 1483163830
Total Pages : 237 pages
Book Rating : 4.4/5 (831 download)
Download or read book CH—Acids written by O. A. Reutov and published by Elsevier. This book was released on 2016-10-27 with total page 237 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ch-Acids deals with the acidity of all organic compounds containing C-H bonds. CH-acidity characterizes thermodynamic stability of carbanions in a medium containing a proton donor as carbanion acceptor. The book primarily explains proton transfer stereochemistry or structure in relation to CH-acidity patterns. Methods to study equilibrium acidity; tabulation of pKa values of CH-acids; and equilibrium acidity as a function of CH-acid structures are presented. Topics on kinetic CH-acidity; stereochemistry of proton transfer in CH-acids; and factors obscuring experimental observation of the action of the Bronsted equation are discussed extensively. The text will be of importance to organometallic and organic chemists.
Author : Brian G. Cox
Publisher : OUP Oxford
ISBN 13 : 0191649333
Total Pages : 156 pages
Book Rating : 4.1/5 (916 download)
Download or read book Acids and Bases written by Brian G. Cox and published by OUP Oxford. This book was released on 2013-01-31 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acids and bases are ubiquitous in chemistry. Our understanding of them, however, is dominated by their behaviour in water. Transfer to non-aqueous solvents leads to profound changes in acid-base strengths and to the rates and equilibria of many processes: for example, synthetic reactions involving acids, bases and nucleophiles; isolation of pharmaceutical actives through salt formation; formation of zwitter- ions in amino acids; and chromatographic separation of substrates. This book seeks to enhance our understanding of acids and bases by reviewing and analysing their behaviour in non-aqueous solvents. The behaviour is related where possible to that in water, but correlations and contrasts between solvents are also presented. Fundamental background material is provided in the initial chapters: quantitative aspects of acid-base equilibria, including definitions and relationships between solution pH and species distribution; the influence of molecular structure on acid strengths; and acidity in aqueous solution. Solvent properties are reviewed, along with the magnitude of the interaction energies of solvent molecules with (especially) ions; the ability of solvents to participate in hydrogen bonding and to accept or donate electron pairs is seen to be crucial. Experimental methods for determining dissociation constants are described in detail. In the remaining chapters, dissociation constants of a wide range of acids in three distinct classes of solvents are discussed: protic solvents, such as alcohols, which are strong hydrogen-bond donors; basic, polar aprotic solvents, such as dimethylformamide; and low-basicity and low polarity solvents, such as acetonitrile and tetrahydrofuran. Dissociation constants of individual acids vary over more than 20 orders of magnitude among the solvents, and there is a strong differentiation between the response of neutral and charged acids to solvent change. Ion-pairing and hydrogen-bonding equilibria, such as between phenol and phenoxide ions, play an increasingly important role as the solvent polarity decreases, and their influence on acid-base equilibria and salt formation is described.
Author : Ain Uustare
Publisher :
ISBN 13 :
Total Pages : 126 pages
Book Rating : 4.E/5 ( download)
Download or read book Modulation of Signal Transduction of Heptahelical Receptors by Other Receptors and G Proteins written by Ain Uustare and published by . This book was released on 2006 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ivo Leito
Publisher :
ISBN 13 :
Total Pages : 112 pages
Book Rating : 4.E/5 ( download)
Download or read book Studies of Brønsted Acid-base Equilibria in Water and Nonaqueous Media written by Ivo Leito and published by . This book was released on 1998 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M Liler
Publisher : Elsevier
ISBN 13 : 0323154034
Total Pages : 365 pages
Book Rating : 4.3/5 (231 download)
Download or read book Reaction Mechanisms in Sulphuric Acid and other Strong Acid Solutions written by M Liler and published by Elsevier. This book was released on 2012-12-02 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reaction Mechanisms in Sulfuric Acid and other Strong Acid Solutions covers the reactivity in sulfuric acid and other strongly acid solutions. This book is composed of five chapters that emphasize the measure of acidity of sulfuric acid and other acid solutions. Chapters 1 and 2 discuss the physical, thermodynamic, spectroscopic properties, and acidity functions of sulfuric acid/water mixtures. Chapters 3 and 4 examine the protonation and more complex modes of ionization of compounds in these acidic media. Chapter 5 outlines first the possible mechanisms of reactions in acid solutions followed by a discussion of mechanistic criteria that have been developed in order to distinguish between kinetically indistinguishable alternatives. This chapter also presents some methods of kinetic investigation, which are specific to concentrated sulfuric acid solutions. Inorganic chemists and researchers, teachers, and students will find this book invaluable.
Author : Eneli Härk
Publisher :
ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.E/5 ( download)
Download or read book Electroreduction of Complex Cations on Electrochemically Polished Bi(hkl) Single Crystal Electrodes written by Eneli Härk and published by . This book was released on 2008 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Christian Reichardt
Publisher : John Wiley & Sons
ISBN 13 : 3527642137
Total Pages : 722 pages
Book Rating : 4.5/5 (276 download)
Download or read book Solvents and Solvent Effects in Organic Chemistry written by Christian Reichardt and published by John Wiley & Sons. This book was released on 2011-08-04 with total page 722 pages. Available in PDF, EPUB and Kindle. Book excerpt: Now in its 4th edition, this book remains the ultimate reference for all questions regarding solvents and solvent effects in organic chemistry. Retaining its proven concept, there is no other book which covers the subject in so much depth, the handbook is completely updated and contains 15% more content, including new chapters on "Solvents and Green chemistry", "Classification of Solvents by their Environmental Impact", and "Ionic Liquids". An essential part of every organic chemist's library.
Author : Sergei Yurchenko
Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.E/5 ( download)
Download or read book Determination of Some Carcinogenic Contaminants in Food written by Sergei Yurchenko and published by . This book was released on 2006 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Francis A. Carey
Publisher : Springer Science & Business Media
ISBN 13 : 1461397928
Total Pages : 601 pages
Book Rating : 4.4/5 (613 download)
Download or read book Advanced Organic Chemistry written by Francis A. Carey and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 601 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. National Bureau of Standards
Publisher :
ISBN 13 :
Total Pages : 640 pages
Book Rating : 4.:/5 (31 download)
Download or read book Journal of Research of the National Bureau of Standards written by United States. National Bureau of Standards and published by . This book was released on 1967 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ave Sarapuu
Publisher :
ISBN 13 :
Total Pages : 146 pages
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Download or read book Electrochemical Reduction of Oxygen on Quinone-modified Carbon Electrodes and on Thin Films of Platinum and Gold written by Ave Sarapuu and published by . This book was released on 2008 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 744 pages
Book Rating : 4.3/5 (91 download)
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1975 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : George C. Shields
Publisher : CRC Press
ISBN 13 : 1466508809
Total Pages : 164 pages
Book Rating : 4.4/5 (665 download)
Download or read book Computational Approaches for the Prediction of pKa Values written by George C. Shields and published by CRC Press. This book was released on 2013-12-07 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: The pKa of a compound describes its acidity or basicity and, therefore, is one of its most important properties. Its value determines what form of the compound-positive ion, negative ion, or neutral species-will be present under different circumstances. This is crucial to the action and detection of the compound as a drug, pollutant, or other activ
Author : Meeri Sassian
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.E/5 ( download)
Download or read book Reactions of Partially Solvated Grignard Reagents written by Meeri Sassian and published by . This book was released on 2003 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Siim Salmar
Publisher :
ISBN 13 :
Total Pages : 86 pages
Book Rating : 4.6/5 (927 download)
Download or read book Effect of Ultrasound on Ester Hydrolysis in Aqueous Ethanol written by Siim Salmar and published by . This book was released on 2006 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Eric V. Anslyn
Publisher : University Science Books
ISBN 13 : 9781891389313
Total Pages : 1148 pages
Book Rating : 4.3/5 (893 download)
Download or read book Modern Physical Organic Chemistry written by Eric V. Anslyn and published by University Science Books. This book was released on 2006 with total page 1148 pages. Available in PDF, EPUB and Kindle. Book excerpt: In additionto covering thoroughly the core areas of physical organic chemistry -structure and mechanism - this book will escortthe practitioner of organic chemistry into a field that has been thoroughlyupdated.
