Identify the major product $\mathrm{A}$ and $\mathrm{B}$ for the below given reaction sequence.

The major product in the given reaction is

The ether compound in the below reaction is heated with Conc. $\mathrm{HI}$ to give a hydroxy compound $\mathrm{A}$ which is further heated with $\mathrm{Zn}$ dust to give compound $\mathrm{B}$. Identify $\mathrm{A}$ and $\mathrm{B}$.

$\mathrm{A}$' and '$\mathrm{B}$' formed in the following set of reactions are:

In the cumene to phenol preparation in presence of air, the intermediate is

Find out the major product from the following reaction.

Number of compounds giving (i) red colouration with ceric ammonium nitrate and also (ii) positive iodoform test from the following is _________

The increasing order of ${\mathrm{pK}}_{\mathrm{a}}$ for the following phenols is

(A) 2,4-Dinitrophenol

(B) 4-Nitrophenol

(C) 2,4,5-Trimethylphenol

(D) Phenol

(E) 3-Chlorophenol

Choose the correct answer from the option given below :