Determine the structure of C8H8O2 using H-NMR, C-NMR, and IR Spectrum and each signal assigned to…
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Question “Determine the structure of C8H8O2 using H-NMR, C-NMR, and IR Spectrum and each signal assigned to…”
Determine the structure of C8H8O2 for the H-NMR, C-NMR, and IR
Spectrum
Spectrum
For each spectrum, the complete structure of the unknown is to be determined, and each signal assigned to H’s in the structure. These are to be written on the printout of each spectrum.
Formula: C8H8O2 H NMR C NMR 2Hd 2H, 12 11 10 6 5 4 3 2 1 ó 200 180 160 340 120 100 30 0 40 20 0 ppm
BAVENDIRI 643 70 600 58 3076 86 2800 771429 72 301079 2736 721424 74 2964 77 1702 8 1390 77 2937 27 1689 37 1312 43 2904 81 1511 1B1301 66 2841 001 1460 6012615 2026 74 1442 741214 45 102 68 11624 1108 68 1095 49 1006 86 656 62 830 8 597 60 514
Answer
Solution: The molecular formula given is c8H902: site of unsaturation 20 +2 +NX-H where x-halogen H-hydrogen N-nitrogen c carbon. Site of unsaturation: 2×8+2-8 =18-8: The compound contains 5 sites of unsaturation. :. The given whor the S.x 7.88 (d) 24 para position.re proton cat indicate s7.0 ppm.d) at and disubstituted aroma ring at indicatut tut-o – o- 6-H attached aromatic t da 9.88 (s) for the ning-H group and. 8 3.83ppm (s), for 3H indicale – OCH3 attached aromatic ring. CH… CH…
. C NMR Sa. C NMR Sa.
Conclusion
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