Chem. J. Chinese Universities ›› 1984, Vol. 5 ›› Issue (2): 221.

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A STUDY OF KINETICS AND MECHANISM OF HOMOGENEOUS CATALYTIC HYDROCHLORINATION OF ACETYLENE--A COMPLEX CATALYTIC SYSTEM OF HgCl3-BiCl3

Hao Jinku, Zhang Qiyan, Chen Rongti(Y. T. Chen)   

  1. Department of Chemistry, Nankai University, Tianjin
  • Received:1982-10-11 Online:1984-04-24 Published:1984-04-24

Abstract: The kinetics of the reaction of acetylene hydrochlorination in hydro-chloric acid with the complex catalyst HgCl3-BiCl3 has been studied.The results showed that the rate equation of the reaction could be expressed by r=(k+k'[BiCl3]/[H+])[HgCl2]·[H+]3[CH≡CH] with k= 0.00239, k' =0.0269 (at 25℃). Areaction mechanism which includes two parallel reactions composed of some complicated concecutive reactions was proposed. The Corresponding apparent energies of activation are 13,4 Kcal/mol and 14.8 Kcal/mol.

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