WJEC Chemistry for A2: Student Bk

3 About this book Contents Introduction 4 Unit 3 Physical and Inorganic Chemistry Overview of Unit 3 3.1 Redox and standard electrode potential 10 3.2 Redox 19 3.3 Chemistry of the p-block 27 3.4 Chemistry of the d-block transition metals 39 3.5 Chemical kinetics 49 3.6 Enthalpy changes for solids and solutions 58 3.7 Entropy and feasibility of reactions 67 3.8 Equilibrium constants 71 3.9 Acid-base equilibria 77 Exam practice questions 91 Unit 4 Organic Chemistry and Analysis Overview of Unit 4 4.1 Stereoisomerism 114 4.2 Aromaticity 118 4.3 Alcohols and phenols 125 4.4 Aldehydes and ketones 134 4.5 Carboxylic acids and their derivatives 140 4.6 Amines 150 4.7 Amino acids, peptides and proteins 158 4.8 Organic synthesis and analysis 165 Exam practice questions 181 Unit 5 Practical 195 Answers 197 Index 217