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The peak in the UV-VIS spectrum of acetone [(CH3)2C=O] corres... | Filo

The peak in the UV-VIS spectrum of acetone [(CH3)2C=O] corres... | Filo

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The peak in the UV-VIS spectrum of acetone [(CH3)2C=O] corres... | Filo

The peak in the UV-VIS spectrum of acetone [(CH3)2C=O] corres... | Filo

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The peak in the UV-VIS spectrum of acetone [(CH3)2C=O] corresponding to the n →π^* transition appears at 279 nm when hexane is the solvent, but shifts to 262 nm in water. Which is more polar, the ground electronic state or the excited state?

The peak in the UV-VIS spectrum of acetone [(CH3)2C=O] corresponding to the n →π^* transition appears at 279 nm when hexane is the solvent, but shifts to 262 nm in water. Which is more polar, the ground electronic state or the excited state?

2021年10月15日

The UV spectrum of acetone shows absorption maxima at 166,189 , and 279 nm. What type of transition is responsible for each of these bands? | Numerade

The UV spectrum of acetone shows absorption maxima at 166,189 , and 279 nm. What type of transition is responsible for each of these bands? | Numerade

2022年2月10日

When the ^1 H NMR spectrum of acetone is recorded on a 100 MHz instrument, a single sharp resonance line at 2.1 s is observed. (a) How far away from TMS (in hertz) does the acetone absorption occur? (b) What is the position of the acetone absorption in δunits on a 220 MHz instrument? (e) How many hertz away from TMS does the absorption in the 220 MHz spectrum correspond to? | Numerade

When the ^1 H NMR spectrum of acetone is recorded on a 100 MHz instrument, a single sharp resonance line at 2.1 s is observed. (a) How far away from TMS (in hertz) does the acetone absorption occur? (b) What is the position of the acetone absorption in δunits on a 220 MHz instrument? (e) How many hertz away from TMS does the absorption in the 220 MHz spectrum correspond to? | Numerade

UV spectrum of this compound is determined in 95 % ethanol: λmax 280 nm(logε=1.3). | Numerade

UV spectrum of this compound is determined in 95 % ethanol: λmax 280 nm(logε=1.3). | Numerade

11 个月之前

SOLVED:Acetone exhibits a singlet in its ^1H NMR spectrum at 2.16 ppm. If CH2Cl2 exhibits a singlet 1570 Hz downfield from acetone on a 500 MHz NMR spectrometer, what is the chemical shift of the singlet due to CH2Cl2?

SOLVED:Acetone exhibits a singlet in its ^1H NMR spectrum at 2.16 ppm. If CH2Cl2 exhibits a singlet 1570 Hz downfield from acetone on a 500 MHz NMR spectrometer, what is the chemical shift of the singlet due to CH2Cl2?

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