(f) CH3 Problems 99 CH3 CH₁ CH3 CH₂ CH₁ CH3 CH₂ CH₂ CH, A B C 25 26 27 28 29 3 3.5 100 70 2 1675 cm) al 4000 3000 3000 3000 3200 3000 2000 2000 2400 2200 2000 1800 H CH3(CH2) H MICRONS 10 12 1000 WAVENUMBERS כן 14 D 15 16 17 18 19 1400 1200 1000 800 000 CH2-CH-(CH2)8-C-H B CH3(CH2)7 ། དྲི་ཡད་ H C CH3. H CH3 C=CH(CH2)6-C-H D (g) CH,(CH₂), A CH3(CH2)7. H C 25 26 27 28 29 3 35 100 90 00 70 00 40 30 T H H WAVENUMBERS CH2-CH-(CH2)-C-H B S'>,=rtདྷ ཨཏི་ཡ; CH, C-CH(CH₂6 D MICRONS 45 55 7 10 12 13 20 1727 cm 10 0 4000 3000 3000 3400 3200 3000 2900 2000 2400 2200 2000 1800 1600 WAVENUMBERS 1400 1200 1000 900 (h) CH3(CH2)4-C-H 25 26 27 28 29 3 H 100 } CH, CH—C—(CH,), CH A CH3-CH2-CH₂ H CH3-CH2-CH B 2400 45 2 1690 cm MICRONS • CH,CH, H C-H D 12 12 COLET 14 15 16 17 18 19 1000 1400 1200 1000 400 CH₁ CH3 NH2 NH–CH, $ 5 6 B C 25 26 27 28 29 3 15 20 HEA 20 29 10 " MICRONS 1690 cm COLET 10 " 12 13 14 16 1800 1200 1000 WAVENUMBERS Problems (j) CH-CH-CH-S-CH-CH2-CH A CHỊCH)CH-O-H C CH(CH)CH-S-H B CH3-CH2-CH2-O-CH2-CH2-CH3 D 25 26 27 28 29 100 3 3.5 4 MICRONS 4.5 5.5 6 9 10 12 13 90 14 80 70 60 50 40 30 E 20 15 16 10 0 4000 3800 3600 3400 3200 3000 2800 2600 2400 2200 2000 1800 1600 WAVENUMBERS 1400 1200 1000 800 600 *6. The infrared spectra of some polymeric materials follow selected fu 101 17 18 19