
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
A H1 NMR signal is observed at 117.0 Hz (downfield of TMS) on a 1.20×102‑MHz instrument.
a) What is the observed chemical shift in parts per million (ppm)?
Chemical shift is
ppm
b) What is the chemical shift, in parts per million (ppm), if the sample is analyzed with a 60.0‑MHz instrument?
Chemical shift is
ppm
c) Where will the proton signal appear, in hertz, if the sample is analyzed with a 60.0‑MHz instrument?
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution
Trending nowThis is a popular solution!
Step by stepSolved in 2 steps with 2 images

Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- Which of the following wavenumber corresponds to the fingerprint region on an IR spectrum? 1500-4000 cm 400-4000 cm-1 O 400-1500 cm-1 O 1600-1850 cm cm-1 Tamibianarrow_forwardBased on the H-NMR, which compound is the sample is? Please provide the integration, multiplicity and also assign the chemical shift to each H in the compound.arrow_forwarddetermine the structure of the given spectrumarrow_forward
- In an organic chemistry laboratory, 3 students were given an unknown compound the signal at 2,900 cm-1 at the IR of student # 1 is the result of: a) protons absorbing radio waves as the nuclear spin changesb) several C-H bonds breaking and absorbing infrared energyc) electrons changing to a higher energy antibonding orbitald) a C-H bond absorbing energy to move to a higher energy vibrational state.arrow_forwardH NMR (300 mMHz, CDCl3, 21C) 0.92 ppm (t, 3H, J = 7Hz), 1.20 (s, 6H), 1.50 (q, 2H, J = 7 Hz), 1.64 (broad singlet, 1H). Choose the chemical shift of the three lines in the triplet signal at 0.92 ppm? (Select all correct answers) a b с d f b0 0.920 ppm 0.897 ppm 0.943 ppm 7.920 ppm 6.080 ppm 0.998 ppm 0.842 ppmarrow_forwardAssign all of the signals in the ¹H NMR spectrum for propyl acetate. Fill in the table below with the 'H NMR data. Number each proton (or set of protons) to match the corresponding peak in the NMR. Integration Splitting Propyl acetate structure with protons labeled Signal - Chemical shift (ppm) 1 2 3 4 11 propyl acetate 10 9 8 7 6 5 ppm 2H, triplet 4 3 3H, singlet 3H, triplet 2H, sextet 2 1 Figure 3.7 ¹H NMR spectrum for propyl acetate. 0arrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill EducationPrinciples of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning
- Organic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill EducationChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningElementary Principles of Chemical Processes, Bind...ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEY

Chemistry
Chemistry
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning

Chemistry
Chemistry
ISBN:9781259911156
Author:Raymond Chang Dr., Jason Overby Professor
Publisher:McGraw-Hill Education

Principles of Instrumental Analysis
Chemistry
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Cengage Learning

Organic Chemistry
Chemistry
ISBN:9780078021558
Author:Janice Gorzynski Smith Dr.
Publisher:McGraw-Hill Education

Chemistry: Principles and Reactions
Chemistry
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:Cengage Learning

Elementary Principles of Chemical Processes, Bind...
Chemistry
ISBN:9781118431221
Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:WILEY