The book ideally meant for the student of WBUT is written in accordance with the IUPAC nomenclature and convention. It is a sincere attempt to make the engineering students understand the fundamentals of chemistry in a lucid and friendly manner. The text contains number of solved problems with each chapter and solved WBUT questions papers of last three years. The book will not only help the students pass out with high marks but also make them immensely interested in the subject