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You must label all the NMR peaks and the main IR peaks.
2H 2H 2H H: dt 1H:dt dJ-6.9 Hz d J 6.9 Hz PPM
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Question & Answer: You must label all the NMR peaks and the main IR peaks……
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IR analysis:
Peak at 3050 cm-1 is due to alkene =C-H streching
Peak at 3000 cm-1 is due to alkane C-H streching
Peak at 1700 cm-1 is due to C=O streching
Peak at 1600 cm-1 is due to alkene C=C sreching
