Which of the following does not give effervescence with ${\mathrm{NaHCO}}_3?$

 $\text{'}\mathrm{S}\text{'}$ is:

In the following reaction sequence, $\mathrm{Y}$ is:

${\mathrm{PhOCOCH}}_3\underset{△}{\overset{{\mathrm{AlCl}}_3}{\to }}\left(\mathrm{X}\right)\underset{\mathrm{NaOH}}{\overset{{\mathrm{l}}_2}{\to }}\left(\mathrm{Y}\right)$

The major product $\mathrm{X}$ in the above reaction is

Which are the routes that can prepare quinol?