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answerhappygod
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by answerhappygod »
- 1 96 2 96 2 00 12 11 10 6 6 S 4 3 2 1 0 Ppm 1 96 2 96 7 7 7 6 7 5 7 4 7 3 7 2 Ppm 7 479 7 475 7 458 7 417 7 400 7 38 1 (51.7 KiB) Viewed 9 times
1.96 2.96 2.00 12 11 10 6 6 S 4 3 2 1 0 ppm 1.96 2.96 7.7 7.6 7.5 7.4 7.3 7.2 ppm -7.479 -7.475 7.458 -7.417 7.400 -7.381 7.368 7.351 \\/ // 7.479 7.475 -7.458 7.417 - 7.400 -7.381 7.368 7.351 -4.622
¹H NMR Analysis Using the ¹H NMR spectrum provided in the link below for unknown 17, complete the following signal assignment table: Unknown 17 H NMR spectrum (You may have to right click the spectrum and rotate clockwise) Note: The spectrum was recorded on the 400 MHz NMR Spectrometer in CDCI 3. Note Ar-H= Aromatic hydrogen Chemical shift (ppm) 4.62 7.35-7.42 7.46-7.48 Multiplicity (s, d, t, etc.) S brs d q quint hext hept m dd dt td ◆ ◆ Integration (no. of hydrogens) 1 -235 000 9 Coupling constants (Hz) N/A N/A N/A Assignment Ar-H CH CH2 CH3 OH ΝΗ NH2 C=C-H (alkene) =C-H (alkyne) ◆
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