The product $(A)$ in the following reaction is:

Which type of solution of phenol is required to prepare Orange dye by coupling reaction?

Which of the following fact$(s)$ explain$(s)$ why $p-$nitrophenol is more acidic than phenol?
$I$. $-I$ Effect of the nitro group.
$II$. Greater resonance effect of the $p-$nitrophenoxy group.
$III$. Steric effect of the bulky nitro group.

The Kolbe-Schmidt reaction is used for the synthesis of:

Arrange the following compounds in increasing order of acidity and provide a suitable explanation: $o-\text{cresol}$,$\text{phenol}$,$o-\text{nitrophenol}$.

Identify the name of the reaction when phenol reacts with chloroform in the presence of aqueous $NaOH$.