light absorbance and complementary colors

[theonlytycrane]

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If a color is observed in solution (yellow), a molecule must be absorbing the complementary color (purple) of light?

This is based on Section Bank C/P #52 🙂

 

[betterfuture]

Are you talking about spectrophotometry?

 

[theonlytycrane]

yes! I think I just needed to brush up on the complementary color relationship between the color seen and color absorbed.

for future reference: http://chemwiki.ucdavis.edu/Core/Ph...al_Determination_of_Kinetcs/Spectrophotometry

 

[BerkReviewTeach]

The color wheel is a really simple way to deal with this type of question.