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- How could IR spectroscopy be used to distinguish between the following pairs of compounds? (a) HOCH2CH2CHO and CH3CH2CO2H (b) CH3CH2OH and CH3OCH3 (c) A 1o amide and a 1o amineIndicate (no more than 2) for the following compound:HomotopicHeterotopicEnantiotopicDiastereotopicWhich proton in the following molecule has the greatest chemical shift? HO
- I am still having trouble interpreting HNMR , I labeled the peaks A-d, can someone identify how each one correlates to the molecule so I can understand? The molecule is piperonalpinacoloneidentify the whcih compounds IR spectrum is this , it can be 1-Indanone 3,4-Dimethoxybenzaldehyde 4-Hydroxyacetophenone Hexanoic Acid Benzyl Alcohol 4-Methoxybenzoic Acid Crotonic Acid) The potency of antagonists is frequently defined in terms of either their IC50, ortheir Ki. Explain what these two terms mean.
- hech of the fo llowing Compeund ở a Sz Secendary eromatic amine? CH3 NH2what compound is this cnmr and nmr which is a solid and has a boiling point of 47.8 - 124.3 degrees celsiusThe H NMR spectrum of an unknown compound has a signal at 3.8 ppm that integrates for three hydrogens and is a singlet. Which of the following is the unknown? OCH; OH
- What is the chemical shift for the identified signal in the ¹H NMR spectrum? jog A 7.6 ppm (B) 2.2 ppm 0.9 ppm 4.1 ppm CI14. (5) Draw the structure of a compound that is consistent with the following data: a IR: 1690 cm -1 C9H1002 1Η NMR: triplet, 1.5 ppm, 3H; quartet, 4.1 ppm, 2H; doublet, 7.0 ppm, 2H; doublet, 7.7 ppm, 2H; singlet, 9.9 ppm, 1HIndentify the cooresponding peaks with structure of Aspirin 1H NMR and C13 NMR
