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

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

A A. Cr2o3 + a2o3 + sio2
B B. Raney nickel
C C. Organo-nickel
D D. Ni 250 – 300°c

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