2. Predict the NMR spectra for each of these two compounds by listing, in the NMR tables below, the chemical shift, the splitting, and the number of hydrogens associated with each predicted peak. Sort the peaks from largest chemical shift to lowest. **Not all slots must be filled** Peak Chemical Shift (d) 5.7 1 Multiplicity multiplate .......... 5.04 double of doublet 2 4.98 double of doublet 3 4.05 doublet of quartet 4 5 LO 3.80 quartet 1.3 doublet 6 Peak Chemical Shift (d) Multiplicity 11:14 worksheets.beyondlabz.com ... Peak Chemical Shift (d) Multiplicity 1 2 3 4 LO 5 6 t Specify the multiplicity as a singlet (s), doublet (d), triplet (t), quartet (q), or multiplet (m). キ Specify the number of hydrogens associated with each peak. Question 5 5 (a). Using the peak information you listed in the tables for both structures, assign each peak to that portion of the structure that produces the peak in the NMR spectrum. Draw this diagram on your own sheet of paper and attach the sketch of your drawing to this question

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A STK2083_Molecular_Spectroscopy_Group Assignment.pdf - Adobe Acrobat Reader DC File Edit View Sign Window Help Home Tools STK2083_Molecular. x Sign In 1 /1 119% a. Which of the compounds below best matches the following 'H NMR spectrum? Integration values are indicated next to their corresponding signal. 2. Search 'Signature' Convert PDF но Edit PDF A B Comment OH HO Combine Files D E EI Organize Pages 24 16 2 Redact A Compress PDF 16 U Protect 8 D Fill & Sign Create, edit and sign PDF forms & agreements PPM b. Briefly explain your answer 2 (a) based on number of signals, position of signals and the integration of the signals. Start Free Trial

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6. For each compound in the group of isomers, indicate the number of signals you would expect to see in the corresponding ¹H-NMR spectrum, indicate the splitting pattern with s (singlet), d (doublet), t (triplet), quarter (q), pentet (p), sextet (sx) or m (multiplet) each signal, and the integration ratios for the signals. x Number of signals: Splitting pattern: Integration ratio: Number of signals: Splitting pattern: Integration ratio: Number of signals: Splitting pattern: Integration ratio: Can all these isomers be distinguished from one another by these three pieces of information? Explain.

In a HNMR spectrum, the molecular structure * where A, B and D are different parts that contain no NMR-active atoms, would produce which of the following features? OA Two signals of equal strength, each being a doublet. B. Two signals of equal strength, each being a triplet. OC. Two signals, one three times the strength of the other, with the stronger one being a doublet. D. Two signals, one twice the strength of the other, with the weaker one being a triplet and the other a doublet. OE. One unsplit signal.