Predict which proton will have the most upfield signal in the ¹ H NMR spectrum. || H H Br H IV H I 3 I O H I E C CH3 V III Predict which proton will have the most upfield sig

v Instructions Question 18 What is the correct assignment in the number of peaks in the H NMR spectra of th Br Br Br Br Br Br II II O I = 3 signals; II = 2 signals; III = 3 signals. O I = 4 signals; II = 4 signals; III = 4 signals. O I = 2 signals; II = 3 signals; III = 1 signals. O I = 3 signals; II = 3 signals: III = 2 signals. • Previous

3, Draw the correct molecule in the box to the right. Label the relevant peaks in the spectra with the proper functional group. If the absence of key peaks led to your choice, indicate which key peaks were absent.

For the dimedone molecule, how many different signals would you see in the proton NMR? Assume you can see them all

Which structure is most consistent with the proton NMR spectrum shown below?

Which of the following compounds will show strong signals at 2250cm-1 and why?

Ha, Hb, Hc, Hd or cant tell

The intensity of a signal in a ¹H NMR spectrum is determined by O Number of non-equivalent protons O Number of diasteriotiotopic carbons O The number of neighboring protons O Number of enantiotopic protons O The electronic environment of protons O Number of equivalent protons apie genann OPB88888 Wita

Q1

Rank the signals of the following compound in terms of increasing chemical shift. Identify the proton(s) giving rise to each signal. Show your work! H OH