What is the action of the following reagents on toluene?

${\mathrm{CrO}}_2{\mathrm{Cl}}_2$ in ${\mathrm{CS}}_2$

What is the action of the following reagents on toluene?

Acetyl chloride in presence of anhydrous ${\mathrm{AlCl}}_3$.

Write the IUPAC names of the following structure:

Write the IUPAC names of the following structure:

Write reaction showing conversion of p- bromoisopropyl benzene into p-Isopropyl benzoic acid ($3$ steps).