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Organic Chemistry 1

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Conjugation and UV Absorption

ORGO1-CJOPHB

Which of these compounds has the longest-wavelength UV absorption maximum ($\lambda_{max}$)?

A

Image by Daniel J. Berger. Created for Albert.io. Copyright 2016. All rights reserved.

B

1,3-cyclohexadiene. Image by Daniel J. Berger. Created for Albert.io. Copyright 2016. All rights reserved.

1,3-cyclohexadiene

C

Image by Daniel J. Berger. Created for Albert.io. Copyright 2016. All rights reserved.

1,3,5-hexatriene

D

Image by Daniel J. Berger. Created for Albert.io. Copyright 2016. All rights reserved.

2,4-hexadiene

E

Image by Daniel J. Berger. Created for Albert.io. Copyright 2016. All rights reserved

benzene