Express HelpLine

ExpressHelpLine is the largest online question and Expert answer site.
Thousands of Verified Experts/Tutors are online round the clock.

Question (Category: chemistry homework)
in trans-1,2-dibenzoylethylene, even though the conjugated c=o group br frequency coincides directly with the expected c=c stretching frequency, br we would not have expected to observe the latter stretching mode in the br infrared spectrum. why? br div

Answer by Matt D. (Purchased 4 times and rated )