0 votes 0 votes The most common catalyst used for oxidation of $o$-xylene to phthalic anhydride is $V_{2}O_{5}$ $Pd$ $Pt$ $Ag$ Others gate2019 + – Arjun asked Feb 24, 2019 • edited Oct 15, 2020 by soujanyareddy13 Arjun 4.7k points answer See all 0 reply