In the Liebermann test for phenols, the blue or green colour produced is due to the formation of

Question

Dr. Abubacker · Accepted Answer

(d)
Phenol gives Libermann’s nitroso reaction.
Phenol in $Conc.H_{2}SO_{4}\ \underset{excess\ of\ water\ \ }{\overset{\ \ \ \ \ \ \ \ \ \ {NaNO}_{2}\ \ \ \ \ \ \ \ }{\rightarrow}}$ Red colour $\underset{(Excess)}{\overset{\ \ NaOH\ \ \ }{\rightarrow}}$ Blue colour
This blue colour is formed due to the formation of
[image:11_image324.emf]

Q. In the Liebermann test for phenols, the blue or green colour produced is due to the formation of

Explanation

Reviewed by Dr. Abubacker

Want more practice?