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Help With Spectroscopy |
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| Mar16-12, 02:15 AM | #1 |
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Help With Spectroscopy
Indicate those of the following statements that are correct for the compound 13CH3OH
(The 13 in front of C is supposed to indicate carbon-13) a. The carbon-13 spectrum will be a 1:2:1 triplet. b. The proton NMR spectrum will be a 1:1 doublet and a broad singlet. c. The broad singlet in the proton spectrum is due to the exchange of protons among methanol molecules. d. Because of the oxygen, the IR spectrum will have a strong band around 1750 cm-1. e. This compound will absorb in the visible region, and will therefore be coloured. f. The mass spectrum should have a peak at mass 15. Can someone explain to me which statement(s) are correct? Thanks |
| Mar16-12, 12:27 PM | #2 |
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What do you know about 13-C NMR spectroscopy? Heteronuclear decoupling?
Tell us what you know about 1-H NMR. What about IR spectroscopy? Do alcohols have a strong absorption at 1750 cm-1? Any visible chromophores in methanol? What fragment might have mass = 15? Is it a likely fragment for methanol? |
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