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Finding the wavelength of maximum absorption of Tartrazine using Fieser-Kuhn
How would you use Fieser-Kuhn rules to calculate the wavelength of maximum absorption for tartrazine?
Fieser-Kuhn rules states that:
$\lambda_{max}=114+5M+n(48-1.7n)-16.5\ R_{endo} - 10\ R_{exo}$
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