Chemical bonding and Molecular Structure along with four other chapters’ accounts for 21 marks in final exams. Moreover, this chapter alone holds for about 7.33 marks out of 120 in JEE Exam, which is a lot. In this chapter, you will study about Kossel-Lewis approach to chemical bonding. In addition to this, you are going to learn about valence bond theory and molecular orbital theory as applied to various molecules. The entire chapter contains many theories and each theory has exercises which help the student understand each topic better.