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