Phenal NANO2 paranitrosophenol?
a)Liberman's-Nitroso reaction
b)Reimer-Tiemann reaction
c)schotenn-Baumenn reaction
d)coupling reaction
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a)Liberman's- Nitroso reaction
While phenol is reacted with NaNO2 and concentrated H2SO4, it provides a deep green or blue colour which changes to red on dilution with water. This reaction is termed as Liebermann's nitroso reaction and is employed as a test of phenol. What is the mechanism of Libermann's nitroso .
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