109Problem 3IR Spectrum(quid fim)208417411243400030002000160012008000.0v (cm')1004380Mass Spectrum0.560UV spectrum40291.0아solvent ethanolM= 881302015.4 mg/ 10 mispath length 1.00 cmCAHBO21.54080120160200240280200250300350m/e2 (nm)13C NMR Spectrum(50.0 MHz. CDCI, solution)DEPT CH, CH, CHtproton decoupledsolvent20016012080400 8 (ppm)H NMR Spectrum(200 MHz, CDCI, solution)TMS18 (ppm)3106.8792% of base peak

The structure of the molecule with chemical formula C4H8O has been deduced in the following step.

109 Problem 3 IR Spectrum (quid fim) 2084 1741 1243 4000 3000 2000 1600 1200 0.0 800 v (cm') 100 43 80 Mass Spectrum 0.5- 40 UV spectrum 29 1.0 M= 88 solvent ethanal 154 mg/10 mis path length 1 00 cm CAH&O2 1.5 40 80 120 160 200 240 280 300 350 200 250 m/e 지 (nm) 13C NMR Spectrum (50 0 MHz. CDCI, solution) DEPT CH, CH,4 CHt proton decoupled solvent 200 160 120 80 40 8 (ppm) H NMR Spectrum (200 MHz. CDCI, solution) TMS 8 6. 5 4 3 2 10 8 (ppm. Sof base peak

109 Problem 3 IR Spectrum (quid fim) 2084 1741 1243 4000 3000 2000 1600 1200 0.0 800 v (cm') 100 43 80 Mass Spectrum 0.5- 40 UV spectrum 29 1.0 M= 88 solvent ethanal 154 mg/10 mis path length 1 00 cm CAH&O2 1.5 40 80 120 160 200 240 280 300 350 200 250 m/e 지 (nm) 13C NMR Spectrum (50 0 MHz. CDCI, solution) DEPT CH, CH,4 CHt proton decoupled solvent 200 160 120 80 40 8 (ppm) H NMR Spectrum (200 MHz. CDCI, solution) TMS 8 6. 5 4 3 2 10 8 (ppm. Sof base peak

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

Question 19 Which of the following molecules best describes the IR spectrum given with a molecular formula of C6H1202? 100 C,H1202 '2876 2977 1194 liquid film sample 1737 1166 1500 wavenumber cm 4000 3000 2000 1000 s0 methyl 2,2-dimethylpropanoate hexanoic acid 5-hydroxyhexanal 4-hydroxy-2-hexanone Transmittance %T
Determine the formula of the hydrocarbon compound where m/z=134. The mass spectrum indicates an M+2 peak in a 3:1 ratio. The IR spectrum also indicates a strong peak at 1760 cm1 Answer:
Problem 7 2249 IR Spectrum (KBr disc) 4000 3000 2000 1600 1200 800 v (cm') 100 Mass Spectrum 80 53 60 No significant UV 40 M+' = 80 absorption above 220 nm 40 20 C4HẠN2 160 m/e 40 80 120 200 240 280 T 13C NMR Spectrum (100.0 MHz, CDCI, solution) DEPT CHat CH, сн+ proton decoupled solvent 200 160 120 80 40 8 (ppm) H NMR Spectrum (400 MHz, CDCI, solution) TMS 10 1 8 (ppm) 9 7 6. 4 % of base peak 5
Consider the following Infrared spectrum. What functional group can you identify in the diagnostic region of the spectrum? % Transmittance 100 80 60 40 20 O alkene 0 4000 O alkyne O aldehyde O carboxylic acid O ketone 3500 3000 2500 2000 Wavenumber (cm-¹) 1500 z 1000
A student performed a series of reactions and obtained the spectral data provided. The reaction sequence is shown below.. What are the structures for A, B, C, and D? Compound B NMR (relative integrated areas below peaks) CH;CH,O°N 1. BHTHF N-bromosuccnimide A CH;CH,OH B 2. H,O,/OH- D hv reflux Compound A NMR (relative integrated areas below peaks) PPM 5 Compound B IR INFRARED SPECTRUM PPM 5 1 6 0.8 Compound A IR INFRARED SPECTRUM 0.6 0.8 0.4 0.4 0.2- 3000 2000 Wavenumber (cm-1) 1000 The MS of compound B shows an M+ peak at 198 and an M+2 peak at 200 with a relative abundance of 1:0.97 2000 Wavenumber (cm-1) 3000 1000 Transmitance Relative Transmittance
Problem 13 2980 119 IR Spectrum d fam 4000 3000 2000 v (cm') 1600 1200 B00 100 63 80 Mass Spectrum 60 No significant UV 65 absorption above 220 nm M 98/100 102 63 C2H4CI2 40 80 120 160 280 200 240 m/e 13C NMR Spectrum (50 0 MHz. CDCI, solution) proton coupled solvent proton decoupled 8 (ppm) 80 40 200 160 120 H NMR Spectrum (200 MHz, CDCI, solution) expansions 2.2 2.0 ppm 6.0 5.8 ppm TMS 6. 8 (ppm) 9. 8 7. 10 2. 4.
Which of the following structures corresponds to the mass spectrum shown below? Relative Intensity 100 80- 60 40 20 MS-NW-0358 0-mt 20 40 CI 60 80 100 120 m/z 140 160 180 M+ = 216 200 220
Which one of the following compounds produced the IR spectrum shown below? 1 0.8 0.6 0.4 0.2 3000 2000 1000 Wavenumber (cm-1) OH Relative Transmittance
Problem 8 114 IR Spectrum (quid fim) 4000 3000 2000 1600 1200 V (cm') 800 100 80 Mass Spectrum 57 More branch 60 E Co M 114 ( 1%) No significant UV 40 absorption above 220 nm 20 99 CBH18 2メ8k8-み8) 16 18-(6) 40 80 120 160 200 240 280 m/e 13C NMR Spectrum (50 O MHz. CDCI, solution) DEPT CH, CH,t CHt KAS ASym. 1500 solvent proton decoupled CAl3 Sym o 8(ppm) 340 200 160 120 80 40 1H NMR Spectrum (200 MHz. CDCIg solution) TMS 2 8. 7 6. 5 4 8 (ppm) 10 Sof base peak
Problem 7 Mll IR Spectrum 2240 KBr dac) 4000 3000 2000 1600 1200 800 v (cm') 100 Mass Spectrum 80 60 63 40 No significant UV 40 M- 80 absorption above 220 nm 20 CAHAN2 40 80 120 160 200 240 280 m/e 13C NMR Spectrum (100 O MHz, CDCI, solution) DEPT CH, CHt CH proton decoupled solvent 160 120 80 40 8 (ppm) 200 1H NMR Spectrum (400 MHz, CDCI, solution) TMS 6. 4 2 8 (ppm) 10 8 96 wad aseq jo
Isoamyl acetate: Match the peaks to the appropriate number on the structure. A letter may correspond to more than one number. e a b с d 3H 1.7 PPM 1 4 3 3.5 3.0 2.5 2.0 1.5 1.0 0.5 PPM за 1. 1 3 d 2. 2 2 e 3. 3 4 f 4. 4 4 c 5. 5 _1 b
4. 10 6. 8 (ppm) O CH3CH2C=N O CH3CH2NH2 O (CH3CH2)2NH O CH3CH2OH O CH3CH20CH2CH3 1. 96