how does the chemical shift change when a carbon is connected to an electronegative atom via double bond compared to a single bond? Is the carbon signal for a carbon in a double bond with oxygen downfield or upfield?

how does the chemical shift change when a carbon is connected to an electronegative atom via double bond compared to a single bond? Is the carbon signal for a carbon in a double bond with oxygen downfield or upfield?

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

ChapterL2: Mass Spectrometry

Section: Chapter Questions

Problem 11CTQ

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Does this make the signal intensity of the c double bonded to o more or less intense than other c atoms in this molecule

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