Chemistry - ALCOHOL & ETHER Question with Solution | TestHub

Phenol may be tested by all the given reagents.

Libermann nitroso test


With bromine water


Phenol reacts with neutral$\mathrm{F}\mathrm{e}\mathrm{C}{\mathrm{l}}_3$solution to give violet colour complex which is soluble in water.

$\begin{array}{ccccccccc}6{\text{C}}_6{\text{H}}_5\text{OH}& +& {\text{FeCl}}_3& \to & {\left[\text{Fe}{\left(\text{O}{\text{C}}_6{\text{H}}_5\right)}_6\right]}^{3-}& +& 3{\text{H}}^{+}& +& 3\text{HCl}\\ & & & & \text{Violet colour complex}& & & & \end{array}$