Question: In Chapter 9 (A Word About . . . Tautomerism and Photochromism, page 274), we discussed the difference in color between the phenol-imine (yellow) and

In Chapter 9 ("A Word About . . . Tautomerism and Photochromism," page 274), we discussed the difference in color between the phenol-imine (yellow) and the keto-enamine (red). Rationalize the difference in color on the basis of the differences in aromaticity and their UV-vis spectra.

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