Phenol,when it first reacts with concentrated sulphuric acid and then concentrated nitric acid,gives:

What does phenol give with $NaOH$ and $CHCl_3$ at $340 \ K$?

Which of the following reagents can be used to distinguish between phenol and benzoic acid?

What are $X$ and $Y$ in the following reactions?

An organic compound $C_6H_7N$ on reaction with $NaNO_2 / HCl$ at $273-278 \ K$ followed by warming with water gives $B$. $B$ reacts with concentrated $HNO_3$ to give $C$. What is $C$?

Which of the following does not give a bicarbonate test with $NaHCO_3$?