Organic Chemistry
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Predict whether the given molecule would absorb in the visible region or not.
Identify the molecule that will most likely absorb light in the visible region.
Provide the molecular orbital diagram for deca-1,3,5,7,9-pentaene. Label its LUMO and HOMO.
Which of the following molecules are expected to absorb light in the UV-Vis region?
Determine the highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) for the given allylic cation and allylic anion.
Provide the molecular orbital diagram for propene. Label the lowest unoccupied molecular orbital (LUMO) and the highest occupied molecular orbital (HOMO).
Compare the structure of cyclopent-1-en-2-one to the following compounds and predict its λmax.
Determine the UV absorption maxima (λmax) for compounds (i), (ii), (iii), and (iv). λmax possible values are listed below.(a) 232 nm(b) 256 nm(c) 273 nm(d) 303 nm(e) 313 nm(f) 353 nm
How can you distinguish between the following compounds using UV spectroscopy?
Arrange the given compounds from lowest to highest λmax.
Rank the following compounds from highest to lowest λmax.
Arrange the following compounds in decreasing order of λmax.
Determine whether the following statement is true or false. If false, correct the statement.
A conjugated alkene with a symmetric HOMO has an odd number of double bonds.