Spectroscopy Problems That Combine Mass Spectrometry and Infrared Spectroscopy B.30 A chiral compound Y has a strong absorption at 2970 to 2840 cm¹ in its IR spectrum and gives the following mass spectrum. Propose a structure for Y. 100 Mass spectrum of Y Relative abundance 50 m/z = 136, 138 0 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140

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Q: 100 43 29 57 71 Lilu. 15 10- 40 50 60 70 Relative Abundance 90- 80- 70- 60- 50 40 30 20- 0 10 20 30…

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Q: LOD TRANSMETTANCE1% 50 D 4000 3085 21 2732 79 3009 33 1804 58 2977 18 1790 55 2949 21 1639 60 2931…

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Q: 13 of 20 Problem 13 IR Spectrum 4000 3000 2000 1600 1200 800 V (cm") Mass Spectrum No significant UV…

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Q: A B C ОН D E F

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A: Stretching frequency (cm-1) Functional geoup ~1700  Aldehyde 2900-3000 alkene  3400-3500…