Assign structures to the following molecules on the basis of the indicated 'H NMR spectra A-E Consider stereochemistry, where applicable
(a) C4H7C1, NMR spectrum A;
(b) C5H8O2, NMR spectrum B;
(c) C4H8O, NMR spectrum C;
(d) Another C4H8O, NMR spectrum D
(e) C3H4C12, NMR spectrum E

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3 H H NMR 2 H 1 H CH3)4Si 1 H 5.0 4.5 4.03.5 3.0 2.5.05 .0 0.5 0.0 300-MHz 1H NMR spectrum ppm (6) H NMR 3 H 6.0 5.5 5.0 4.5 2 H CH3)Si 1H H 1H 6.0 5.5 5.04.5 4.0 3.5 3.02.5 2.0 150 0.5 0.0 300-MHz H NMR spectrum ppm (6) H NMR зн 4.3 1 H 1 H 1 H CH3)4Si 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 15 1.0 0.5 0.0 00-MHz 'H NMR spectrum ppm (8) H NMR 2 H 2.4 2.3 2.2 5.9 5.8 5.7 2 H 2 H I H 1 H (CH3)4Si 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 15 0 0.5 0.0 300-MHz H NMR spectrum ppm (8) H NMR зн I H 5.8 5.7 (CH3)4S 6.0 5.5 5.0 4.5 4.03.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 00-MHz 'H NMR spectrum ppm (8)