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

The rate of electrophilic substitution reaction in phenol is:

Out of the two compounds $A$ ($p$-nitrophenol) and $B$ ($o$-nitrophenol) shown below,the vapour pressure of $B$ at a particular temperature is expected to be:

Identify the major product formed from the following reaction sequence:

Which of the following has the lowest boiling point?

Explain the classification of phenols with examples.