Xylene can be produced from toluene as written schematically:

  

CH, CH3 CH3 AG 14,85 kJ mol CH3 toluene ortho-xylene benzene CH, CH3 CH, 10.42 kJ mol" CH3 toluene meta-xylene benzene CH3 CH, CH, 15.06 kJ mol toluene CH, benzene para-xylene The values of AG were determined at 700 K. What is the equilibrium composition (including all xylene isomers) at 700 K and 1.0 atm pressure? Propose a method to manufacture para-xylene without producing significant amounts of either ortho- or meta-xylene.