The 1H NMR chemical shifts are given for each of the following compounds.-As best you can, assign

Question:

The 1H NMR chemical shifts are given for each of the following compounds.-As best you can, assign each signal to the proper group of hydrogens in the molecule and sketch a spectrum for each compound, incorporating spin-spin splitting whenever appropriate,
(a) CI2CHCH2CI, 5 4.0 and 5.8 ppm;
(b) CH3CHBrCH2CH3, 8 1.0, 1.7, 1.8, and 4.1 ppm;
(c) CH3CH2CH2COOCH3, 8 1.0. 1.7. 2.3, and 3.6 ppm;
(d) C1CH2CHOHCH3, 8 1.2, 3.0, 3.4, and 3.9 ppm.