Chemistry · UV-Visible Spectroscopy
Identify the type of electronic transition and band classification for crotonaldehyde at λmax = 220 nm, log εmax = 4.17 in ethanol.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1n → π* transition, R-band
- 2π → π* transition, K-band✓
- 3n → σ* transition, B-band
- 4n → π* transition, B-band
Correct answer
π → π* transition, K-band
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