Which of the following is the $IUPAC$ name of hydroquinone?

What is the name of the reaction between an aromatic acyl chloride and phenol in the presence of a base like $NaOH$ or pyridine?

Which one of the following is most reactive towards electrophilic attack?

Which of the following compounds has the highest boiling point?

Identify the compound obtained in the following reaction:

Given below are two statements:
Statement $I$: Phenol on treatment with $CHCl_3 / aq. KOH$ under refluxing condition, followed by acidification produces $p$-hydroxybenzaldehyde as the major product and $o$-hydroxybenzaldehyde as the minor product.
Statement $II$: The mixture of $p$-hydroxybenzaldehyde and $o$-hydroxybenzaldehyde can be easily separated through steam distillation.
In the light of the above statements, choose the correct answer from the options given below: