Which among the following is obtained as a product when phenol is treated with $NaOH$ and $CO_2$ followed by acid hydrolysis?

By which reaction is anisole obtained from phenol?

An organic compound $(C_8H_{10}O_2)$ rotates plane-polarized light. It produces a pink color with a neutral $FeCl_3$ solution. What is the total number of all the possible isomers for this compound?

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

Which of the following is $\underline{NOT}$ a dihydric phenol?

What is the product of the sulfonation of phenol?