4. There are two spectra on the next page, one for each of the following compounds: BAN W с Draw a resonance structure of each compound (use the alkene electrons, and think of D as an enol ether). How could these resonance structures be used to distinguish the spectra? (Think about, in particular: a) How can the chemical shifts of the vinylic protons be used to distinguish which spectrum belongs to which compound? b) How can the chemical shift of the aliphatic (i.e. sp.) methylene group be used to distinguish which spectrum belongs to which compound?) A A www MEN CELELEEE WW YY D S Y 89 1. M W

4. There are two spectra on the next page, one for each of the following compounds: BAN W с Draw a resonance structure of each compound (use the alkene electrons, and think of D as an enol ether). How could these resonance structures be used to distinguish the spectra? (Think about, in particular: a) How can the chemical shifts of the vinylic protons be used to distinguish which spectrum belongs to which compound? b) How can the chemical shift of the aliphatic (i.e. sp.) methylene group be used to distinguish which spectrum belongs to which compound?) A A www MEN CELELEEE WW YY D S Y 89 1. M W

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter16: Introduction To Magnetic Spectroscopy

Section: Chapter Questions

Problem 16.46E: a The structure of 2 chloroethanol is usually staggered, as shown in this Newman projection: How...

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