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GRE ® Chemistry Test Practice Book (PDF) GRE ® Chemistry Test Practice Book This practice book contains n one actual, full-length GRE® Chemistry Test n test-taking strategies Become familiar with n test structure and content n test instructions and answering procedures Compare your practice test results with the performance of those who took the test at a GRE administration. www.ets.org/gre Table of Contents Overview ..............................................................................................................3 Test Content ........................................................................................................3 Preparing for the Test ..........................................................................................4 Test-Taking Strategies .........................................................................................4 What Your Scores Mean ......................................................................................5 Taking the Practice Test ......................................................................................5 Scoring the Practice Test .....................................................................................5 Evaluating Your Performance ..............................................................................6 Practice Test .........................................................................................................7 Worksheet for Scoring the Practice Test ...........................................................51 Score Conversion Table ....................................................................................52 Answer Sheet .....................................................................................................53 Alt text is provided for 77 of the 130 GRE® Chemistry Test questions in this practice book. However, because of the complexity and length of the verbal descriptions that the graphics associated with some of the questions would require, it is not practical to provide alt text for all 130 questions in this test. The statement “No alt text” is included for each of the 53 questions for which alt text is not provided. If you need additional accessible practice material for the GRE Chemistry Test, contact ETS Disability Services at 1-609-771-7780 or [email protected]. Copyright © 2017 by Educational Testing Service. All rights reserved. ETS, the ETS logo, MEASURING THE POWER OF LEARNING, GRADUATE RECORD EXAMINATIONS, and GRE are registered trademarks of Educational Testing Service (ETS) in the United States and other countries. 46752-78576 GRE CHEMISTRY Test Practice Book • Dr01 050509 ljg • reprint for service contract change 050609 ljg •edits dr01 051109 ljg • edits dr01 051109 mc • dr02 052609 ljg • preflight 6/5/09 mc • [New Job] 46752-114932 Drft01 7/12/16 ew • PDF Drft01 7/14/16 ew • Drft02 8/5/16 ew • PDF Drft02 8/11/16 ew • [NEW 120768] • CC15 • Dr01 5/11/17 jw • Dr02 5/25/17 hr • Dr03 6/2/17 jw Overview I. Analytical Chemistry (15%) The GRE® Chemistry Test consists of about 130 A. Data Acquisition and Use of Statistics — multiple-choice questions. Testing time is 2 hours and Errors, statistical considerations 50 minutes; there are no separately-timed sections. B. Solutions and Standardization — A periodic table is printed in the test booklet as Concentration terms, primary standards well as a table of information (see pages 8 and 9) presenting various physical constants and a few C. Homogeneous Equilibria — Acid-base, conversion factors among SI units. Whenever oxidation-reduction, complexometry necessary, additional values of physical constants D. Heterogeneous Equilibria — Gravimetric are printed with the text of the question. Test analysis, solubility, precipitation questions are constructed to simplify mathematical titrations, chemical separations manipulations. As a result, neither calculators nor E. Instrumental Methods — Electrochemical tables of logarithms are needed. If the solution to a methods, spectroscopic methods, problem requires the use of logarithms, the necessary chromatographic methods, thermal values are included with the question. methods, calibration of instruments This publication provides a comprehensive overview of the GRE Chemistry Test to help you get F. Environmental Applications ready for test day. It is designed to help you: G. Radiochemical Methods — Detectors, Applications • Understand what is being tested • Gain familiarity with the question types II. Inorganic Chemistry (25%) • Review test-taking strategies A. General Chemistry — Periodic trends, • Understand scoring oxidation states, nuclear chemistry • Practice taking the test B. Ionic Substances — Lattice geometries, To learn more about the GRE Subject Tests, visit lattice energies, ionic radii and radius/ www.ets.org/gre. ratio effects C. Covalent Molecular Substances — Lewis Test Content diagrams, molecular point groups, VSEPR concept, valence bond description The content of the Chemistry Test emphasizes the and hybridization, molecular orbital four fields into which chemistry has been traditionally description, bond energies, covalent divided and some interrelationships, individual and van der Waals radii of the elements, questions may test more than one field of chemistry. intermolecular forces Some test takers may associate a particular question D. Metals and Semiconductors — Structure, with one field, whereas other test takers may have band theory, physical and chemical encountered the same material in a different field. consequences of band theory For example, the knowledge necessary to answer some questions classified as testing organic chemistry E. Concepts of Acids and Bases — Brønsted- may well have been acquired in analytical chemistry Lowry approaches, Lewis theory, solvent courses by some test takers. Consequently, the system approaches emphases of the four fields indicated in the following F. Chemistry of the Main Group Elements — outline of material covered by the test should not be Electronic structures, occurrences and considered definitive. recovery, physical and chemical properties of the elements and their compounds GRE ® Chemistry Test Practice Book 3 Page 46752-78576 GRE CHEMISTRY Test Practice Book • Dr01 050509 ljg • reprint for service contract change 050609 ljg •edits dr01 051109 ljg • edits dr01 051109 mc • dr02 052609 ljg • preflight 6/5/09 mc • [New Job] 46752-114932 Drft01 7/12/16 ew • PDF Drft01 7/14/16 ew • Drft02 8/5/16 ew • PDF Drft02 8/11/16 ew • [NEW 120768] • CC15 • Dr01 5/11/17 jw • Dr02 5/25/17 hr •Dr03 6/2/17 jw G. Chemistry of the Transition Elements — IV. Physical Chemistry (30%) Electronic structures, occurrences and recovery, physical and chemical properties A. Thermodynamics — First, second, and of the elements and their compounds, third laws, thermochemistry, ideal and real coordination chemistry gases and solutions, Gibbs and Helmholtz energy, chemical potential, chemical H. Special Topics — Organometallic equilibria, phase equilibria, colligative chemistry, catalysis, bioinorganic properties, statistical thermodynamics chemistry, applied solid-state chemistry, environmental chemistry B. Quantum Chemistry and Applications to Spectroscopy — Classical experiments, III. Organic Chemistry (30%) principles of quantum mechanics, atomic and molecular structure, molecular A. Structure, Bonding, and Nomenclature — spectroscopy Lewis structures, orbital hybridization, configuration and stereochemical C. Dynamics — Experimental and theoretical notation, conformational analysis, chemical kinetics, solution and liquid systematic IUPAC nomenclature, dynamics, photochemistry spectroscopy (IR and 1H and 13C NMR) B. Functional Groups — Preparation, Preparing for the Test reactions, and interconversions of alkanes, GRE Subject Test questions are designed to measure alkenes, alkynes, dienes, alkyl halides, skills and knowledge gained over a long period of alcohols, ethers, epoxides, sulfides, thiols, time. Although you might increase your scores to aromatic compounds, aldehydes, ketones, some extent through preparation a few weeks or carboxylic acids and their derivatives, months before you take the test, last minute cramming amines is unlikely to be of further help. The following C. Reaction Mechanisms — Nucleophilic information may be helpful. displacements and addition, nucleophilic • A general review of your college courses is aromatic substitution, electrophilic probably the best preparation for the test. additions, electrophilic aromatic However, the test covers a broad range of substitutions, eliminations, Diels-Alder subject matter, and no one is expected to be and other cycloadditions familiar with the content of every question. D. Reactive Intermediates — Chemistry and nature of carbocations, carbanions, free • Become familiar with the types of questions radicals, carbenes, benzynes, enols in the GRE Chemistry Test, paying special attention to the directions. If you thoroughly E. Organometallics — Preparation and understand the directions before you take the reactions of Grignard and organolithium test, you will have more time during the test to reagents, lithium organocuprates, and focus on the questions themselves. other modern main group and transition metal reagents and catalysts Test-Taking Strategies F. Special Topics — Resonance, molecular orbital theory, catalysis, acid-base The questions in the practice test illustrate the types theory, carbon acidity, aromaticity, of multiple-choice questions in the test. When you antiaromaticity, macromolecules, lipids, take the actual test, you will
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