Question 11 of 18Match the peaks in this spectrum with the carbons on the structure below.A)I: 29.5 ppmII: 208.8 ppmIII: 36.8 ppmIV: 7.7 ppmB)I: 208.8 ppmII: 29.5 ppmIII: 36.8 ppmIV: 7.7 ppmC)I: 7.7 ppmII: 208.8 ppmI | I IVIII: 36.8 ppmIV: 29.5 ppmD)I: 29.5 ppmII: 36.8 ppmII 208.8 рpmIV: 7.7 ppm

In 13 cnmr , carbonyl carbon of ketone is highly deshielded and neighboring carbons also feel the…

Answered: Queton 11 of 1 Match the peaks in this…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

ChapterL3: Carbon (13c) Nmr Spectroscopy

Section: Chapter Questions

Problem 6CTQ

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When measured on a spectrometer operating at 200 MHz, chloroform (CHCl3) shows a single sharp absorption at 7.3 Î´. (a) How many parts per million downfield from TMS does chloroform absorb? (b) How many hertz downfield from TMS would chloroform absorb if the measurement were carried out on a spectrometer operating at 360 MHz? (c) What would be the position of the chloroform absorption in Î´ units when measured on a 360 MHz spectrometer?
Question 10 of 18 Match the peaks in this spectrum with the carbons on the structure below. A) I: 11.5 ppm II: 54.3 ppm II: 23.3 рpm IV: 36.2 ppm B) I: 36.2 ppm II: 11.5 ppm II: 23.3 рpm IV: 54.3 ppm C) I: 36.2 ppm II: 23.3 ppm IL III IV III: 54.3 ppm IV: 11.5 ppm D) 1: 36.2 ppm II: 54.3 ppm I: 23.3 рpm IV: 11.5 ppm
Question 12 of 18 Match the peaks in this spectrum with the carbons on the structure below. A) I: 9.5 ppm II: 28.9 ppm III: 114.5 ppm IV: 55.5 ppm B) I: 9.5 ppm Il: 55.5 ppm II: 114.5 ppm IV: 28.9 ppm C) I: 55.5 ppm II: 28.9 ppm IV III: 114.5 ppm IV: 9.5 ppm D) I: 28.9 ppm II: 9.5 ppm I: 55.5 рpm IV: 114.5 ppm
Question 9 of 18 Match the peaks in this spectrum with the carbons on the structure below. A) : 178.1 рpm II: 68.8 ppm III: 22.5 ppm IV: 27.9 ppm B) I: 178.1 ppm II: 22.5 ppm I: 68.8 рpm IV: 27.9 ppm 160 C) I: 178.1 ppm O. II: 27.9 ppm III IV II: 22.5 ppm IV: 68.8 ppm D) I: 68.8 ppm II: 27.9 ppm II: 22.5 ppm IV: 178.1 ppm
Question 8 of 18 Match the peaks in this spectrum with the carbons on the structure below. A) I: 27.3 ppm II: 174.8 ppm III: 51.9 ppm IV: 9.4 ppm B) I: 51.9 ppm I: 174.8 ppm II: 27.3 ppm IV: 9.4 ppm C) I: 9.4 ppm II: 174.8 ppm II III IV I: 51.9 рpm IV: 27.3 ppm D) I: 9.4 ppm II: 174.8 ppm II: 27.3 ppm IV: 51.9 ppm
A mass spectrum of an unknown compound shows an [M]+ peak with an [M+2]* peak of similar height. Which statement BEST describes the reason for this observation: Bromine atom Two Chorine Atoms Three Chlorine Atoms lodine atom Chlorine atom
Match the peaks in this spectrum with hydrogens on the structure below. A) H3C I H₂ 3.0 H₂ CH3 IV 2.0 ppm 1.0 1.68 ppm II: 0.99 ppm III: 2.32 ppm IV: 3.61 ppm 1: B) I: 0.99 ppm II: 1.68 ppm III: 2.32 ppm IV: 3.61 ppm C) I: II: 1.68 ppm 0.99 ppm +
Mass spectroscopic. What is the isotopic peak pattern of each : Organic compound with 2 bromine atoms. Organic compound with 2 chlorine atoms.
1. 4 4000 100 50 Identify the following compounds based on the spectra given. ff11 2 20 30 T 0 220 200 180 160 140 2008 CDS-00-094 KAVEMUNERI 40 1500 50 60 120 100 ppm 70 80 500 60 40 20 0
8) Chemical Formula: C8H1204 IR: strong peak 1720cm-¹, peak at 1650cm-¹ 2H 6 5 5 9) Chemical Formula: C5H1002 IR: strong peak at 1750cm-¹ PPM 4H PPM -8x2=16+2=18-12=6/2=3 3 5x2= 10-10=0 N- 0 6H 0
-·|· 4.0 Match the peaks in this spectrum with hydrogens on the structure below. A) I: 0.91 ppm II: 3.29 ppm III: 1.52 ppm IV: 3.23 ppm H3C | 3.0 || H₂ CH3 CH CH3 III IV 2.0 ppm 1.0 B) I: 0.91 ppm II: 3.29 ppm III: 3.23 ppm IV: 1.52 ppm C) 1: 3.23 ppm II: 3.29 ppm +
A compound has a mass spectrum that shows a 3:1 height ratio of its (M)** peak at m/z = 126 and its (M+2)** peak at m/z = 128. Which of the compounds below is consistent with this data? O O O CI Br None of the choices are correct. o

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Queton 11 of 1 Match the peaks in this spectrum with the carbons on the structure below A) E 295 ppm It 208 8 ppm IR 308 pem IV 77 pem B) E 2088 ppm IE 295 ppm IR 308 pem V. 7.7 pem C) E 77 ppm IE 208 8 ppm IIIN IR 368 pem IV. 295 ppm D) E 205 pom E 368 pem I: 2088 ppm N 77 pom