Problem 9 - 'H NMR spectrum (CDC13, 500 MHz) 1H 1H 2H 1H J= 8 Hz 1H 1H

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Identify the peaks of the H-NMR of C10BrH7. There is no additional information.

Problem 9 - 'H NMR spectrum (CDC13, 500 MHz)
1H
1H
2H
1H
J= 8 H2
1H
1H
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Transcribed Image Text:Problem 9 - 'H NMR spectrum (CDC13, 500 MHz) 1H 1H 2H 1H J= 8 H2 1H 1H Click on the highlighted area to zoom. Click again to zoom back out.
Expert Solution
Step 1

According to the given organic compound formula, the double bond equivalent (DBE) = 10 - (8/2) + 1 = 11 - 4 = 7

So, this means that the compound should have present unsaturation. As all the 1H NMR peaks come at the δ 7 to 8 ppm region, the compound should have aromatic benzene ring. Now There are number of unsaturation is 7 and all the peaks are in the deshielded region, so the compound should contain 2 fused benzene ring. 

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