5. How many ¹H NMR signals does each natural product exhibit? Write the number of ¹H NMR signals inside the box. a. CH CH3 N CH3 caffeine (from coffee beans and tea leaves) NMR signals b. CHO OH OCH₂ vanillin (from the vanilla bean) NMR signals LOH thymol (from thyme) NMR signals

5. How many ¹H NMR signals does each natural product exhibit? Write the number of ¹H NMR signals inside the box. a. CH CH3 N CH3 caffeine (from coffee beans and tea leaves) NMR signals b. CHO OH OCH₂ vanillin (from the vanilla bean) NMR signals LOH thymol (from thyme) NMR signals

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter24: Carboxylic Acids & Derivatives

Section: Chapter Questions

Problem 2E

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Concept explainers

NMR Spectroscopy

NMR stands for Nuclear Magnetic Resonance in which the study of different molecules is done based on the interaction of radiofrequency electromagnetic radiations with the nuclei of molecules placed in a strong magnetic field. A precise study of spectra of visible light and all bands of electromagnetic radiation is called spectroscopy.

Question

5. How many ¹H NMR signals does each natural product exhibit? Write the number of ¹H NMR
signals inside the box.
a.
CH
CH3
N
CH3
caffeine
(from coffee beans and tea
leaves)
NMR signals
b.
CHO
OH
OCH₂
vanillin
(from the vanilla bean)
NMR signals
LOH
thymol
(from thyme)
NMR signals

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