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IR and HMR Spectra

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Identity of this molecule. What is the formula?

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The expert examines IR and HMR spectra formulas. This solution is 200 words.

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Looking at your spectra, it appears that your suggestion of CH3CH2NH2 cannot be correct. If it were so there would be two different CH protons that would split each other into a triplet and a quartet, right? But, this has not happened.

In fact, there is no splitting at all! Why not? As you ...

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