Identify the product formed in the reaction.
Phenol $+$ conc. $H_2SO_4$ $\xrightarrow{373 \ K}$ product

Which of the following compounds reacts with ethylmagnesium bromide and also decolourizes bromine water solution?

Which of the following statements is $NOT$ true for phenol?

$A$ solution of phenol in chloroform when treated with aqueous $NaOH$ gives compound $P$ as a major product. The mass percentage of carbon in $P$ is $..............$ (to the nearest integer)
(Atomic mass : $C = 12$; $H = 1$; $O = 16$)

$p$-Hydroxybenzophenone upon reaction with bromine in carbon tetrachloride gives

Which statement is true?