The preferred reacting system for oxidation of o-xylene to phthalic
anhydride is
(A) Jacketed liquid phase CSTR
(B) Jacketed steam heated multitubular reactor
(C) Multitubular reactor with cooling
(D) Multistage multitubular reactor with interstage cooling
anhydride is
(A) Jacketed liquid phase CSTR
(B) Jacketed steam heated multitubular reactor
(C) Multitubular reactor with cooling
(D) Multistage multitubular reactor with interstage cooling