As Wikipedia states, $\ce{Ag+}$ ions are colorless in solution: https://en.wikipedia.org/wiki/Color_of_chemicals

Compounds that I know of containing $\ce{OH-}$ are also colorless or white (such as $\ce{Mg(OH)2}$, which just like $\ce{AgOH}$ is a precipitate). How is it possible then that AgOH has a brown color?



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