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To distinguish between the following pairs of compounds, which methods would you rather use: UV-Vis, IR or MS. Explain your choice and show your calculations, if applicable. A B

To distinguish between the following pairs of compounds, which methods would you rather use: UV-Vis, IR or MS. Explain your choice and show your calculations, if applicable. A B

EBK A SMALL SCALE APPROACH TO ORGANIC L
EBK A SMALL SCALE APPROACH TO ORGANIC L
4th Edition
ISBN:9781305446021
Author:Lampman
Publisher:Lampman
Chapter32: Multistep Reaction Sequences: The Conversion Of Benzaldehyde To Benzilic Acid
Section: Chapter Questions
Problem 3Q
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Woodward-Fieser Rules for the Calculation of π * Absorption Maximum for Unsaturated Carbonyl compounds R α and Parent a, ß unsaturated carbonyl compound (acylic, six member or larger ring ketone) R = alkyl R fe Y α 5 member ring ketone Aldehyde (R = H) Acid or Ester (R = OH or OR) Each Alkyl substituent a add B add If other double bonds, for each d, y, etc. add Each exocylic carbon-carbon double bond add α В d Each extra conjugation add (do not count double bond as substituent, as this effect is included) Each homoannular add Each polar group: -OH -O-Ac at a,ß, or d -OR λ (nm) 215 202 207 193 10 12 18 5 30 39 35 30 50 6
Transcribed Image Text:Woodward-Fieser Rules for the Calculation of π * Absorption Maximum for Unsaturated Carbonyl compounds R α and Parent a, ß unsaturated carbonyl compound (acylic, six member or larger ring ketone) R = alkyl R fe Y α 5 member ring ketone Aldehyde (R = H) Acid or Ester (R = OH or OR) Each Alkyl substituent a add B add If other double bonds, for each d, y, etc. add Each exocylic carbon-carbon double bond add α В d Each extra conjugation add (do not count double bond as substituent, as this effect is included) Each homoannular add Each polar group: -OH -O-Ac at a,ß, or d -OR λ (nm) 215 202 207 193 10 12 18 5 30 39 35 30 50 6
To distinguish between the following pairs of compounds, which methods would you rather use: UV-Vis, IR or MS. Explain your choice and show your calculations, if applicable. A B
Transcribed Image Text:To distinguish between the following pairs of compounds, which methods would you rather use: UV-Vis, IR or MS. Explain your choice and show your calculations, if applicable. A B
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