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i. Fill in the following table: Proton Chemical shift (ppm) Label a b * For proton (d) list two possible multiplicities Relative Integration Multiplicity (predicted)* с d e What is the predicted multiplicity (and integration) for the proton labelled as H(c)? ii. What is the predicted multiplicity (and integration) for the proton labelled as H(d), if we assume that the coupling constants are different (Jcd # Jde) ? iii. iv. What is the predicted multiplicity (and integration) for the proton labelled as H(d) if we assume that the two coupling constants are equivalent (Jcd = Jde)? What is the predicted multiplicity (and integration) for the proton labelled as H(e)?

i. Fill in the following table: Proton Chemical shift (ppm) Label a b * For proton (d) list two possible multiplicities Relative Integration Multiplicity (predicted)* с d e What is the predicted multiplicity (and integration) for the proton labelled as H(c)? ii. What is the predicted multiplicity (and integration) for the proton labelled as H(d), if we assume that the coupling constants are different (Jcd # Jde) ? iii. iv. What is the predicted multiplicity (and integration) for the proton labelled as H(d) if we assume that the two coupling constants are equivalent (Jcd = Jde)? What is the predicted multiplicity (and integration) for the proton labelled as H(e)?

Organic Chemistry: A Guided Inquiry
Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
ChapterL4: Proton (1h) Nmr Spectroscopy
Section: Chapter Questions
Problem 12E
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With reference to the H-NMR spectra, please answer the following.

i. Fill in the following table: Proton Chemical shift (ppm) Label a b * For proton (d) list two possible multiplicities Relative Integration Multiplicity (predicted)* с d e What is the predicted multiplicity (and integration) for the proton labelled as H(c)? ii. What is the predicted multiplicity (and integration) for the proton labelled as H(d), if we assume that the coupling constants are different (Jcd # Jde) ? iii. iv. What is the predicted multiplicity (and integration) for the proton labelled as H(d) if we assume that the two coupling constants are equivalent (Jcd = Jde)? What is the predicted multiplicity (and integration) for the proton labelled as H(e)?
Transcribed Image Text:i. Fill in the following table: Proton Chemical shift (ppm) Label a b * For proton (d) list two possible multiplicities Relative Integration Multiplicity (predicted)* с d e What is the predicted multiplicity (and integration) for the proton labelled as H(c)? ii. What is the predicted multiplicity (and integration) for the proton labelled as H(d), if we assume that the coupling constants are different (Jcd # Jde) ? iii. iv. What is the predicted multiplicity (and integration) for the proton labelled as H(d) if we assume that the two coupling constants are equivalent (Jcd = Jde)? What is the predicted multiplicity (and integration) for the proton labelled as H(e)?
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