Question

Identification of Organic Molecules from Instrumental Analyses N.B., You are expected to clearly show all your work supporting your conclusions including, where necessary, H-NMR splitting if you anticipate obtaining any credit. You do not need to write a dialogue, keying the spectra to the molecular details will suffice if clearly shown. You should not need to include coupling constants but H splitting may well be important. Caleulating DBE's and confirming details of FTIR, particularly, double bonds should be included.

Answer 1

MF CaHgO MW 72 %C 66.6 %H 11.2 DBE 1, CnH2n One double bond. From IR- OH, C C present. Mass Spee. Data m/z abund 27 24 From 1 HNMR, OCH2, CHCH3 and double bond protons are present 53 16 54 14 57 100 71 7 72 31 C-H st CH sp3 Copyright o 1994 но But-2-en-1-ol b, doublet doublet C4HgO Exact Mass: 72.06 e, IH multiplet он 13CNMR is consistent with the above spectra. One CH3, One OCH2, ttwo C c 1.8 1.7 1 Proton NHR 120TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTOTTTTTTTTTTTTTTTTTİ Carbon 13 NAR