вход по аккаунту


Book Review Suren und Basen (Acids and Bases). By R. P. Bell (taschentext 19). Translated by F. Frickel

код для вставкиСкачать
a specific property of radicals (p. 8). In so short a text it is probably unavoidable that treatment of H-transfer (which does
not satisfy one’s curiosity about, e. 9.. the reason for the series
primary < secondary < tertiary C), of the transition state,
and of the Hamniond principle ( e , g. p. 57) is presented in
black-and-white fashion.
The book can be highly recommended to chemists who
want a rapid survey and to students of chemistry shortly
before or after the “Vordiplom” examination.
W P. Neumann [NB 258 IE]
Sauren und Basen (Acids and Bases). By R. P. Bell (taschentext
19).Translated by F. Frickel. Verlag Chemie-Physik Verlag,
Weinheim 1974. 1st Edit., vi, 11 1 pp., 8 figs., 17 tables,
paperback, DM 16,80.
This is a German “pocketbook” translation of the 2nd edition (first publication in 1952)of“Acids and Bases: Their Quantitative Behavior“ by the author of the well known monograph
“The Proton in Chemistry”. The Brmsted-Lowry definition
is used as a basis for the concepts of acids and bases. The
first two chapters deal with elementary matters (the nature
of acids and bases; acid-base equilibria in water) which are
to be found in introductory textbooks of general or inorganic
chemistry. Chapter 3 provides a short review of acids and
bases in nonaqueous solvents, and Chapter 4 is devoted to
interionic interactions in acid-base equilibria. Very valuable,
particularly for students halfway through their course, are
Chapters 5-7 [acid-base strength and molecular structure,
the rates of acid-base reactions (acid-base catalysis), hydrogen
isotopes in acid-base reactions]. The final Chapter 8 is concerned with alternative acid-base concepts, but is very brief
since there are very few quantitative relationships.
The author has been at pains to be generally up to date,
as appears particularly in Chapters 6 and 7. The explanation
of acid-base equilibria in water appears rather thin, and some
worked examples would have been useful here. In a new
edition a few small errors should be corrected (e.g. pp. 65,
90); in particular (p. 107), a Lewis acid should be described
as an electron-pair acceptor (not an electron acceptorj, and
a Lewis base as an electron-pair donor. A or HA should
be used consistently for an acid, but not both. A good point
is the literature on further aspects appended to each chapter;
here recent monographs and reviews are included. As a whole,
this is a readable book and a useful addition to lectures
in a student’s first years.
Helmut Werner [NB 261 IE]
Organische Chemie I and II (Organic Chemistry I and 11).
By L. Eberson. Translated by A . Senning. Verlag Chemie,
GmbH, Weinheim 1974. 1st Edit., Vol. I: xiv, 328 pp.,
55 figs., 42 tables, paperback DM 17.X0; Vol. 11: xv, 457
pp., 9 figs., 26 tables, paperback DM 19.80.
This text book of organic chemistry occupies two volumes.
The fundamental concepts of structural theory, nomenclature,
stereochemistry, energetics and kinetics, and of bonding theory
aredescribed in volume I. There follow a section on intermolecular forces and a general treatment of reactions and reaction
mechanisms. Later there is a very good description of the
usual spectroscopic methods, including X-ray and neutron
diffraction; unfortunately, there is no indication of the importance of 3C-NMR spectroscopy. Equally, one misses a short
introduction to the Woodward-Hoffmann rules. On the other
hand, the clear and detailed treatment of nomenclature questions is welcome, for it is absent from most textbooks.
The first few chapters of volume I1 describe mainly reactions
of organic compounds. The author has selected the traditional
division into functional groups for this purpose and he abstains
completely from any precise description of individual substances or their preparation. This principle is sensible for
a short textbook, for it spares the reader the wealth of
individual data that are not essential for understanding organic
In later chapters the author considers heterocycles and
natural products, where the selection in the natural products
section is not so well chosen. For example, most weight is
placed here on classical carbohydrate chemistry, while modern
aspects such as biogenesis are neglected.
O n the other hand, the sections on synthesis and structure
demonstration are very successful: the reader is made familiar
with planning and performing syntheses (e. y. by chain extension) and with the determination of the structures of organic
compounds. The last part of volume I1 treats industrial aspects
of organic chemistry, e. g. industrial-scale syntheses, drugs.
explosives, etc.
The arrangement of material in both volumes is easy to
follow and clear. The text is to the point and easy to read.
Nevertheless, the less experienced reader will in some cases
need to turn to further literature in view of the brevity of
the presentation, especially for mechanistic considerations.
Summarizing, however, it can be said that these volumes,
which are particularly suitable for students early in their
course, present a useful addition to large textbooks.
Lutz-F. Tietze [NB 262 IE]
Mehr Wissen uber Chemie (More Information about Chemistry). By K . Baumann, H . Fricke, and H. Wining. Aulis
Verlag Deubner & Co. Cologne 1974, Vol. 1 : A-H. 1st
Edit., 524 pp., numerous formulas, figs. and tables, bound,
DM 39.- (later DM 48.-). The two volumes are not
sold separately.
This book comprising two volumes. is halfway between
a dictionary and a textbook. Volume 1 consists of review
articles of one to about 50 pages on around one hundred
themes and a keyword index integrated alphabetically into
the text with a reference to generally one article. The work
is stated by the authors and publishers to be intended for
experts and educated laymen, i.e. the aim has been to help
schoolchildren, laboratory assistants, students. chemistry
teachers, and experts. Such an ambitious objective demands
very careful selection of the items treated, a balanced and
graded level of presentation, and above all materially faultless
formulations. In addition, the style must be intelligible linguistically. The reality, alas, is disappointing.
Alongside fairly usable passages there are many sloppy
formulations as well as contradictory, half-true, and completely
false statements; hardly any could be fully approved. The
content of the articles is generally very mixed and arbitrarily
assigned; for example, 4 pages on the principles of distillation
occur in the Petroleum section. The selection is presumably
based on the authors’ hobbies. Instead of being gratified, the
reader thirsty for facts will instead feel subjected to “quentsching“ (Petroleum, page 345).
There is also a lack of didactic skill. particularly in the
themes on general chemistry. For example, anyone seeking
more knowledge about electronegativity, heats of formation,
or bonding forces might be able to guess what the explanations
mean, but only if he knew the answers in advance.
There may indeed be a need for a book of this kind. But
then it should be a faultless text with a detailed subject index
contained in a single volume. In its present form it is a source
ofannoyance to the expert and an imposition on the interested
layman. The claims for this book are in inverse proportion
to its quality.
J . F . C o d e s [NB 263 IE]
Без категории
Размер файла
149 Кб
base, acid, frickel, translator, book, review, belle, suren, und, taschentext
Пожаловаться на содержимое документа