ucumberlands.blackboard.com Remaining Time: 38 minutes, 35 seconds. Question Completion Status: AMoving to another question will save this response. Question 10 Which of the indicated hydrogen atoms would have the greatest chemical shift (farthest downfield) in the proton NMR spectrum? Br Br Cl Cl b. а. с. Cl Br cl Н Н d. е. C D A Moving to another question will save this response. MacBook Air II F8 F10 F9 F7 O00 F4 F6 F5 F3 F2 & $ # 0 8 7 6 4 OOC

ucumberlands.blackboard.com Remaining Time: 38 minutes, 35 seconds. Question Completion Status: AMoving to another question will save this response. Question 10 Which of the indicated hydrogen atoms would have the greatest chemical shift (farthest downfield) in the proton NMR spectrum? Br Br Cl Cl b. а. с. Cl Br cl Н Н d. е. C D A Moving to another question will save this response. MacBook Air II F8 F10 F9 F7 O00 F4 F6 F5 F3 F2 & $ # 0 8 7 6 4 OOC

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...

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Q1
Counterfeit drugs are a common problem in developing regions of the world. Oftentimes, counterfeit pills are made with compounds such as lactose. A lab technician has obtained the IR spectrum shown above for a sample reported to be citalopram, an antidepressant drug. Does the IR spectrum belong to citalopram or lactose? Explain your answer by describing what feature of the IR spectrum confirms your choice and describe what feature is missing from the IR spectrum for the other compound. A. citalopram B. lactose
10.
orgo chem II nmr please help me fill out this chart!
Which of the following statements is correct? O A. Atomic emission detector is suitable for analyzing hydrocarbon compounds. B. The best carrier gas for a thermal conductivity detector is nitrogen. O C. Chlorine containing compounds are best analyzed by using an electron capture detector. O D. Equimolar amount of C6H14 and C3H8 should produce the same signals using a flame ionization detector. O E. Mass spectrometry detector is nondestructive.
Give two reasons why high field NMR instruments (>100 MHz) are better than low field NMR instruments. Explain your reasons (equations and/or drawings will help your explanations).
Explain the relative chemical shifts of the benzene ring protons in Figure
Match the peaks in this spectrum with the carbons on the structure below. Feedback: Your submission: B) I: 60.9 ppm You have incorrectly identified which atoms are responsible for the peaks in this spectrum. Review a correlation chart to predict chemical shifts. II: 25.1 ppm I: .2 рpm IV: 11.6 ppm Question 13 of 18 Match the peaks in this spectrum with the carbons on the structure below. A) I: 25.1 ppm II: 60.9 ppm II: 33.2 ppm IV: 11.6 ppm B) I: 60.9 ppm II: 25.1 ppm II: 33.2 ppm IV: 11.6 ppm C) CI I: 25.1 ppm II: 60.9 ppm I | |I IV III: 11.6 ppm IV: 33.2 ppm D) I: 11.6 ppm II: 60.9 ppm III: 25.1 ppm IV: 33.2 ppm
May you please help me with this ochem question?
Predict the chemical shift of the following compounds? find out different types of protons and give their approximate chemical shift values based on their shielding and de shielding.