Which of the following would show the largest wavelength in the UV spectrum? Justify your answer.
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Welcome dear,
● Answer -
Compound (c) 1,4-cyclohexanedione will have max wavelength in UV spectrum.
● Justification -
- Conjugation increases wavelength of light absorbed by compound.
- Presence of 2 ketone groups in 1,4-cyclohexanedione increases conjugation.
- Conjugation decreases energy, thus wavelength absorbed is increased.
- Therefore, 1,4-cyclohexanedione shows largest wavelength in UV spectrum.
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● Answer -
Compound (c) 1,4-cyclohexanedione will have max wavelength in UV spectrum.
● Justification -
- Conjugation increases wavelength of light absorbed by compound.
- Presence of 2 ketone groups in 1,4-cyclohexanedione increases conjugation.
- Conjugation decreases energy, thus wavelength absorbed is increased.
- Therefore, 1,4-cyclohexanedione shows largest wavelength in UV spectrum.
Hope this helped you.
Keep asking.
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