Consider the following reaction, and choose the correct option.

On treating compound P with saturated $\displaystyle \mathrm{NaHCO}_3$ solution, brisk effervescence is observed.

Compound P can be prepared by treating benzene with anhydrous $\displaystyle \mathrm{AlCl}_3$ and $\displaystyle \mathrm{CH}_3 \mathrm{COCl}$.

On treatment with bromine water, compound P gives a white precipitate.

Compound $\displaystyle \mathbf{P}$ is obtained by the hydrogenation of benzoyl chloride with Pd on $\displaystyle \mathrm{BaSO}_4$.