The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is

Phenol $\xrightarrow{NaNO_2/H_2SO_4} B$ $\xrightarrow{H_2O} C$ $\xrightarrow{NaOH} D$. The name of the above reaction is:

Which of the following is the most acidic?

Phenol reacts with dilute $HNO_3$ at low temperature to form:

Which product is obtained when chlorobenzene is reacted with $6-8\%$ aqueous $NaOH$ at $633\,K$ temperature and $300\,bar$ pressure in the presence of an acid catalyst?

Write the reactions of phenol with: $(i)$ $CH_3COCl$,$(ii)$ $(CH_3CO)_2O$,$(iii)$ $NaOH$,$(iv)$ chromic acid,and $(v)$ heating with zinc dust.