The mass spectrum of 3-methyl pentane shows a base peak at m/z = 57 BECAUSE the secondary butyl cation is the most stable possible fragment. a. The first statement is false and the second statement is true b. The first statement is true and the second statement is false c. The statement is entirely true d. Both statements are true but the BECAUSE is false e. The statement is entirely false

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...
icon
Related questions
Question

Please Answer the questions below

The mass spectrum of 3-methyl pentane shows a base peak at m/z = 57 BECAUSE the secondary butyl cation is the most stable possible fragment.
a. The first statement is false and the second statement is true
b. The first statement is true and the second statement is false
c. The statement is entirely true
d. Both statements are true but the BECAUSE is false
O e. The statement is entirely false
A proton signal measured in a 90MHZ spectrometer shows a doublet with peaks at 5.65 and 5.72 ppm. What is the chemical shift and coupling constant for this
doublet?
a. 8=5.69ppm, J=5.17 Hz
O b. 8=5.69ppm, J=6.30 Hz
c. 8=5.72ppm, J=6.30 Hz
O d. 8=5.72ppm, J=5.17 Hz
A carbon signal measured in a 300MHZ spectrometer with an observing frequency of 75.47MHZ is found to have a chemical shift of 137.71 ppm. What is the resonance
frequency of the carbon with this chemical shift?
a. 41313.00 Hz
b. 300041313 Hz
c. 74480393 Hz
d. 10392.97 Hz
Transcribed Image Text:The mass spectrum of 3-methyl pentane shows a base peak at m/z = 57 BECAUSE the secondary butyl cation is the most stable possible fragment. a. The first statement is false and the second statement is true b. The first statement is true and the second statement is false c. The statement is entirely true d. Both statements are true but the BECAUSE is false O e. The statement is entirely false A proton signal measured in a 90MHZ spectrometer shows a doublet with peaks at 5.65 and 5.72 ppm. What is the chemical shift and coupling constant for this doublet? a. 8=5.69ppm, J=5.17 Hz O b. 8=5.69ppm, J=6.30 Hz c. 8=5.72ppm, J=6.30 Hz O d. 8=5.72ppm, J=5.17 Hz A carbon signal measured in a 300MHZ spectrometer with an observing frequency of 75.47MHZ is found to have a chemical shift of 137.71 ppm. What is the resonance frequency of the carbon with this chemical shift? a. 41313.00 Hz b. 300041313 Hz c. 74480393 Hz d. 10392.97 Hz
Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Knowledge Booster
Organic Mustards
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.
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY