Practice Problems 3. Explain why 4-methyl-3-penten-2-one absorbs at 314 nm, quite a bit higher than both butadiene and hexatriene. Your answer must explain how Lmax relates to molecular structure. 4. Explain which reaction would be faster and why. You need to use the rate law data to recognize which mechanism is at play. Br Nal Reaction 1: acetone substrate A Rate = k [substrate A] Nal Reaction 2: acetone Br Br substrate B Rate = k [substrate B]

Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter5: Resonance
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3. Explain why 4-methyl-3-penten-2-one absorbs at 314 nm, quite a bit higher than both
butadiene and hexatriene. Your answer must explain how Lmax relates to molecular structure.
4. Explain which reaction would be faster and why. You need to use the rate law data to
recognize which mechanism is at play.
Br.
Nal
Reaction 1:
acetone
substrate A
Rate = k [substrate A]
Nal
Reaction 2:
acetone
Br
Br
substrate B
Rate = k [substrate B]
Transcribed Image Text:Practice Problems 3. Explain why 4-methyl-3-penten-2-one absorbs at 314 nm, quite a bit higher than both butadiene and hexatriene. Your answer must explain how Lmax relates to molecular structure. 4. Explain which reaction would be faster and why. You need to use the rate law data to recognize which mechanism is at play. Br. Nal Reaction 1: acetone substrate A Rate = k [substrate A] Nal Reaction 2: acetone Br Br substrate B Rate = k [substrate B]
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