Which of the Following Electronic Transitions Is Apparent in the Ultraviolet-Visible

question 25

Multiple Choice

Which of the following electronic transitions is apparent in the ultraviolet-visible spectrum of 1,3-butadiene?

• A)"n \(\rarr\) \(\pi\)*"
• B)"\(\pi\) \(\rarr\) \(\pi\) *"
• C)" \(\sigma\)\(\rarr\) \(\pi\) *"
• D)" \(\sigma\) \(\rarr\) \(\pi\)"