What is the structure of the major product when phenol is treated with bromine water?

Which of the following can be used to separate phenol and benzoic acid?

Given are cyclohexanol $(I)$,acetic acid $(II)$,$2,4,6-$trinitrophenol $(III)$ and phenol $(IV)$. The order of decreasing acidic character is:

Which of the following compounds gives a pink colour on reaction with phthalic anhydride in conc. $H_2SO_4$ followed by treatment with $NaOH$?

Explain the classification of phenols with examples.

Phenol $\xrightarrow[(ii) CO_2 / 140^{\circ}C]{(i) NaOH} A$ $\xrightarrow{H^{+} / H_2O} B$ $\xrightarrow[CH_3COOH, \Delta]{Al_2O_3} C$
In this reaction,the end product $C$ is :