In this book, we have give the pioneer hints of comparative studies with the help of proper diagrams. The chapters are divided in two parts. The first part carries 'reaction' and second comprises of 'reagents'. The questions are based on the latest pattern of the competitive pursuing M.Sc (Organic Chemistry) and also it can be useful for the student preparing for SET, NET, JRF and GATE.

Dr. Nasir Hussain, Lecture, Department of Chemistry, Vidya Bhawan Rural Institute, Udaipur is a well known scholar from M.L.S. University. For his credit, he has two masters M.Sc (Organic Chemistry) and M.Sc (Inorganic Chemistry). He obtained his doctorate in 2013 from M.L.S.University. He has cleared CSIR NET/JRF, for more than eight times. He has also cleared SET and GATE. He has more than 25 international and national research papers with high impact factors. He is the life time member of Iranian Journal of Organice Chemistry. Dr. Saba Khan, Head, Department of Chemistry, Vidya Bhawan Rural Institute, Udaipur is an active research for last 16 years. She has obtained her doctorate degree in 2002 from M.L.S.University, Udaipur and has 11 years of teaching experience in teaching PG and UG classes. She has complected a minor research project funded by UGC. Dr. Khan has co-authored 1 book and published near about 20 research papers in various national and international Journals. She has attended and international conferences. She is the life time member of Rajasthan Science Congress Association.