Take a look at this graph. The reactant curve is plotted in red, while the product cur plotted in green. curve is We need to determine the best wavelength to measure the product at. The product should exhibit good absorbance at the chosen wavelength. The investigated substance should be the only substance absorbing well at the chosen wavelength. 0.300 0.200 0.100 0.000 550 Wavelength is nn 450 450 Absorbance (AU)

Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter20: Dienes, Conjugated Systems, And Pericyclic Reactions
Section20.3: Uv-visible Spectroscopy
Problem 20.4P
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This is the result of an experiment in a spectrophotometer. please explain how the 595 nm was obtained and what is the implication of that result? thanks

Take a look at this graph. The reactant curve is plotted in red, while the product curve is
plotted in green.
We need to determine the best wavelength to measure the product at. The product
should exhibit good absorbance at the chosen wavelength. The investigated substance
should be the only substance absorbing well at the chosen wavelength.
465 nm
0.900
0.800
0.700
595
0.600
0.400
0.300
0.200
0.100
0.000
Wavelergth is nn
Absorbance (AU
Transcribed Image Text:Take a look at this graph. The reactant curve is plotted in red, while the product curve is plotted in green. We need to determine the best wavelength to measure the product at. The product should exhibit good absorbance at the chosen wavelength. The investigated substance should be the only substance absorbing well at the chosen wavelength. 465 nm 0.900 0.800 0.700 595 0.600 0.400 0.300 0.200 0.100 0.000 Wavelergth is nn Absorbance (AU
Awesome work! You're an analytical genius! The product of the reaction displayed an
absorbance maximum at 595 nm, while the starting reactant had relatively little
absorbance in this part of the spectrum. This made 595 nm the perfect wavelength for
our investigation.
Let's head back to the lab to get on with our verification experiments.
Transcribed Image Text:Awesome work! You're an analytical genius! The product of the reaction displayed an absorbance maximum at 595 nm, while the starting reactant had relatively little absorbance in this part of the spectrum. This made 595 nm the perfect wavelength for our investigation. Let's head back to the lab to get on with our verification experiments.
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