You can predict that the locations of the peaks of the IR spectra of acetone and 2-butanone would be.. Group of answer choices Identical from 4000 cm-1 to 1000 cm-1 but different from 1000 cm-1 to 500 cm-1 Different from 4000 cm-1 to 1000 cm-1 but identical from 1000 cm-1 to 500 cm-1 Identical from 4000 cm-1 to 500 cm-1 Different from 4000 cm-1 to 500 cm-1

You can predict that the locations of the peaks of the IR spectra of acetone and 2-butanone would be.. Group of answer choices Identical from 4000 cm-1 to 1000 cm-1 but different from 1000 cm-1 to 500 cm-1 Different from 4000 cm-1 to 1000 cm-1 but identical from 1000 cm-1 to 500 cm-1 Identical from 4000 cm-1 to 500 cm-1 Different from 4000 cm-1 to 500 cm-1

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

ChapterL3: Carbon (13c) Nmr Spectroscopy

Section: Chapter Questions

Problem 11CTQ

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Here are proton NMR data for 1-bromopropane: Ha : triplet (2H) 3.32ppm; Hb : multiplet (2H)1.81ppm; Hc : triplet (3H) 0.93ppm. (Relative integrations shown in parentheses.) a. Through how many bonds can a hydrogen split another hydrogen? b. According to this splitting rule, does Ha split Hc ? c. Is your answer in part a) consistent with the multiplicity listed for peak clusters a and c? d. How many hydrogenssplit Hb ? e. Upon very close inspection of the proton NMR spectrum of 1-bromopropane, you wouldfind that peak cluster b has at least six peaks. Is this consistent with your answer in part d)? f. Speculate as to why any peak cluster with more than four peaks is listed simply as a"multiplet."
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