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What catalyst is employed when benzene is prepared from acetylene at 70°C?

/ Aromatic Hydrocarbons, Chemistry Mcqs / By
What catalyst is employed when benzene is prepared from acetylene at 70°C?

A. Cr2O3 + A2O3 + SiO2
B. Raney nickel
C. Organo-nickel
D. Ni 250 – 300°C