This book is intended for the students of chemistry. Our text book can serve as a supplement for Nuclear Chemistry. It can also be used as a 'stand-alone' text book for competitive exams in chemistry. I hope that this book will be very helpful for the aspirants of all competitive exams related to chemistry like IIT-JAM, JEE, NEET, CSIR-UGC (NET/JRF), GATE, SET, TIFR, BARC, IISc, DRDO,ONGC NPTC etc.