Question

Chem 322 - Problem Set 6 - page 1

Note: You do not have to turn in this page. Just turn in page 2.

An unknown compound has the formula C₁₀H₁₀O₃ and the spectra shown below.

Answer the questions on the following page about this compound and these spectra.

IR 2000 3000 1500 1000 500 (dXdXd) 13C NMR (d)(d 100 200 50 H NMR 1210

Chem 322 - Problem Set 6 - page 2

Due to Dr. Hietbrink by 3:00 on Monday 5-6-19.

Circle your class: MWF 11:15, MWF 12:20, TTh 2:00 Name _____________________ Class student # ____________

Score (out of 10) ____________

Answer these questions about the unknown compound C₁₀H₁₀O₃ with spectra on the previous page.

1. (1 pt) How many degrees of unsaturation does this compound have?
2. (1 pt) In the IR, what does the signal stretching from about 3500 to 2600 suggest?
3. (1 point) ¹³C NMR, what does the chemical shift of the signal at about 56 tell you? Please be specific about what the chemical shift tells you.
4. (1 point) In the ¹³C NMR, what does the ORD splitting information for the signal at about 56 tell you? Please be specific about what the ORD splitting information tells you.
5. (1 point) In the ¹H NMR, what does the chemical shift of the signal at about 6.1 tell you. Please be specific about what the chemical shift tells you.
6. (1 point) In the ¹H NMR, what does the integration of the signal at about 6.1 tell you. Please be specific about what the integration tells you.
7. (1 point) In the ¹H NMR, what does the splitting of the signal at about 6.1 tell you. Please be specific about what the splitting tells you.
8. (1 point) In the ¹H NMR, what does the integration of the signal at about 3.9 tell you. Plase be specific about what the integration tells you.
9. (1 point) In the ¹H NMR, what hydrogen gives the odd signal at about 12.3?
10. (1 point) Draw the compound in the box.

Answer 1

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Hello my dear friend, i have also attached standard spectra of this compound with complete peak assignment especially for you! have a nice day!

он CH 3

KBr LOD 500 4000 1500 1000 cm 3074 64 2607 6B 438 43 1222 3D 3012 53 16B6 41428 471200 5B 935 60 2975 571622 71336 20 1159 4779 62 2g4θ 67 | 1598 41 | 1311 66 | 1104 46 2843 57 1578 70 1302 471047 57 2709 66 1492 31 1283 44 1026 49 2623 66 1464 3 942 62 CH3 0 781 60 758 25 596 66 669 66 OH 1260 23 996 Б