Identify the product ' B ' in the following series of reactions.

$$ \text { Chlorobenzene } \xrightarrow[\text { ii) } \mathrm{H}_3 \mathrm{O}^{+}]{\text {i) } \mathrm{NaOH}, 623 \mathrm{~K} / 150 \text { atm }} \mathrm{A} \xrightarrow{\mathrm{Br}_2 \text { water }} \mathrm{B} $$

Which of the following is primary allylic alcohol?

Which of the following is the structure of an alcohol with molecular formula $\mathrm{C}_5 \mathrm{H}_{12} \mathrm{O}$ ?