3. (a) Clearly explain the three factors affecting chemical shifts (inductive effects, conjugation and magnetic anisotropy). (b) Clearly explain why acetylene, ethylene and benzene protons show their observed chemical shifts in 'H NMR. (c) Why do metal hydride protons exhibit such a high field chemical shift in the majority of the cases? when do you expect to see exceptions? (what type of metal complexes)

3. (a) Clearly explain the three factors affecting chemical shifts (inductive effects, conjugation and magnetic anisotropy). (b) Clearly explain why acetylene, ethylene and benzene protons show their observed chemical shifts in 'H NMR. (c) Why do metal hydride protons exhibit such a high field chemical shift in the majority of the cases? when do you expect to see exceptions? (what type of metal complexes)

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

ChapterL3: Carbon (13c) Nmr Spectroscopy

Section: Chapter Questions

Problem 9CTQ

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