4. Which of the following compounds would you expect to show UV absorption in the 200-400 nm range? a. 1,4-cyclohexadiene b. 1,3-cyclohexadiene c. H2C=CH-C?N
Added by Sabrina B.
Close
Step 1
Conjugated systems can absorb UV light in the 200-400 nm range due to the presence of π-electrons that can be excited to higher energy levels. Show more…
Show all steps
Your feedback will help us improve your experience
Supreeta N and 71 other Chemistry 101 educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Which of the following compounds would you expect to have a $pi ightarrow pi^{*}$ UV absorption in the 200 to 400 nm range?
Prashant B.
Nicole K.
Which of the following compounds has/have a UV absorption maximum at a wavelength longer than 200 nm? (more than one are possible - circle all that do) a) 1-pentene b) 1,3-pentadiene c) 1,4-pentadiene d) 2-pentene e) 2,4-hexadiene f) 2,5-hexadiene The UV spectrum of acetone (CH3C=OCH3) has a λmax at 290 nm with ε = 13. What electron excitation corresponds to this absorption? a) n → σ* b) π → π* c) n → n* d) σ → σ* e) π → σ*
Madhur L.
Recommended Textbooks
Chemistry: Structure and Properties
Chemistry The Central Science
Chemistry
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD