Chemistry - Carboxylic acid and their Derivatives Question with Solution | TestHub

Key Idea (i) $Zn$ dust converts $-\mathrm{OH}$ group into- $\mathrm{H}$. (ii) Reaction with ${\mathrm{CH}}_3\mathrm{Cl}$ in presence of anthy. ${\mathrm{AlCl}}_3$ is called Friedel-Craft's alkylation. (iii) Alkaline ${\mathrm{KMnO}}_4$ converts complete carbon chain which is directly attached with benzene ring, into - $\mathrm{COOH}$ group.