Question

draw a

Middle Page 1 of 1 The testing was performed on Wednesday, April 04, 2018 The samples If you have any questions, please contact the test supervisor 7:06:20 AM by technician a tion GC#2 20% De zoo column column Temp 1620 Injector Temp 1760 Detector tem 1880 Retention Time Peak 1025 Peak031 Peak 3 53 The two th ing DACS suder version . GOW MAC injection of 1 part acetic acid zparts n-butano 3 parts in-butyl acetate

draw a strcture and label the protons A-E

Answer 1

The provided spectral data is analysed to propose the structure of an unknown is n-butyl acetate. The 1H NMR is explained as below.

AGE NO: DATE: structure of unknonen is a below och-CHCl, Cla Name : n-butylacetate - ME - CHO MW-116. Tan NhaR Co in ppm) - 4.2 (t, 2H, O-CH₂ CH2 , H4, 2:23 -1.9265, 34, CA -, H5) 9. 8-0.8 (boond multiplet and driplet, 7H - CH₂ - CH₂ - CH₂ ) I pentate sexlet. torpted The solvent peak at 7.26 is ignored the Unnap data has excellent match Theith proposed structure as n-butel acetati