2425Chapt12_page_8

2425Chapt12 | page 8 | https://thedailydialectics.com/pdfs/education/chemistry/o-chem/ochem-2-2425-HCC/2425Chapt12/2425Chapt12.pdf

ANSWERS CHAPTER 128&13- (MS, IR, NMR _-Practice Exercises) CHEM 2425 Dr. Pahlavan / Dr. Cherif / Dr. Dessens 1. a) m/e=172 b) m/e = 91 c) d) oF 2. a) CsHi00 ® D.U.=5-—10/2 +1 =1 (db) carbonyl group ( C = O) Co) we 3-Pentanone or Diethylpentane b) CsH7N ®» D.U. = 7-7/2 + 1/2 +1=6 (1 benzene ring , 1…