:Regarding 1,3-butadieneWhen substituted by twophenyl groups the cis-conformation wavelengths.become longersp2 orbitals form the t-4.systemWhen unsubstituted, theexcitation in cis-conformation requires lessenergy than trans-.conformationporbitals form the t--2.systemWhen substituted, as trans-character increases asenergy becomes smallerAllNone

Given molecule is: 1,3-butadiene. How the substitution on 1,3-butadiene effect its absorption in…

Answered: :Regarding 1,3-butadiene When…

:Regarding 1,3-butadiene When substituted by two phenyl groups the cis- conformation wavelengths .become longer sp2 orbitals form the t- 4

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter4: Organic Compounds: Cycloalkanes And Their Stereochemistry

Section4.SE: Something Extra

Problem 47AP: The diaxial conformation of cis-1, 3-dimethylcyclohexane is approximately 23 kJ/mol (5.4 kcal/mol)...

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Question

:Regarding 1,3-butadiene
When substituted by two
phenyl groups the cis-
conformation wavelengths
.become longer
sp2 orbitals form the t-4
.system
When unsubstituted, the
excitation in cis-
conformation requires less
energy than trans-
.conformation
porbitals form the t--2
.system
When substituted, as trans-
character increases as
energy becomes smaller
All
None

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