Match the following 1H NMR spectrum with one of the given compounds. Match signals to the...

Question

Question

Match the following 1H NMR spectrum with one of the given compounds. Match signals to the protons on the structure.

Match the following 1H NMR spectrum with one of th

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Answer 1

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Answer #1

spectrum a

2-bromopropane

The two CH3 are as a doublet at 1.7 ppm and the CH as a quartet at 4.2 . all deshielded due to the bromine.

spectrum b

nitropropane CH3CH2CH2NO2

the CH3 at 0.9 as triplet, the CH2 of secnd carbon at 2ppm as quintet, and the CH2 attached to NO2 as a triplet at much downfield at 4.3ppm

spectrum C is of butanone CH3CH2COCH3

The C4 CH3 is a triplet at 1.0 more shielded as expected, the CH2 at 2.4 as a quartet and the C1 methyl at 2.1 as a singlet.

Answer 2

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