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In the Liebermann's test for phenols, the blue or green colour produced is due to the formaton of |
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Answer»
`"Phenol in conc. "H_(2)SO_(4) overset(NaNO_(2))underset("excess of water")rarr "RED colour" overset(NAOH)underset("(Excess)")rarr "Blue colour"` The blue colour is obtained due to the formation of
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