Explore the principles of redox chemistry (electrochemistry) through clear, structured summaries from basic chemical concepts and atomic structure to electrochemical cells, the Nernst equation, and modern electroanalytical techniques. This guide builds a solid foundation for understanding electrochemical processes and their real-world applications. With seven comprehensive sections and more than 460 questions and problems with detailed solutions, it helps students strengthen their knowledge, overcome common learning challenges, and develop confidence in solving electrochemical problems. Designed for students, teachers, tutors, and independent learners, this book makes redox chemistry more accessible, systematic, and engaging.