Question

2. Below are the H and 13C NMR spectra for four isomers of C&H:02. Provide the structure that produced each set of spectra.

aldehyde or ketone no aldehyde in 1H NMR, SO ketone 220 200 180 160 140 120 100 PPM 80 60 40 20 0

Molecule B: IH NMR 3H 3H 2H 5 2 PPM 13C NMR carboxylic acid or ester no acid proton in 1H NMR, 80 ester 180 160 140 120 80 60

Molecule C:

IH NMR 3H . 1H 10 8 4 2 PPM 13C NMR aldehyde or ketone aldehyde in 1H NMR 220) 200) 180 160 140 120 100 PPM 80 60 40 20 0

Molecule D:

H NMR 3H 2H HO 2H 1H 12 10 8 4 2 0 6 PPM 13C NMR carboxylic acid or ester acid proton in 1H NMR 180 160 140 120 100 PPM 80 6

Can someone PLEASE EXPLAIN the answers??????

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