1972 Volume 45 Issue 7 Pages 1956-1960
The mechanisms of the H2–D2 and D2–HZ exchange reactions over 1 : 2 Electron Donor-Acceptor (EDA) complexes of anthracene with sodium, where HZ denotes the EDA complexes, were studied kinetically and spectroscopically in the temperature range 20–90°C. It was found that molecular hydrogen exchanges directly with the hydrogen of the complexes (An2−2Na+ or An−Na+) and also with the monohydroanion complex (AnH−Na+), which is formed by the dissociative adsorption of hydrogen. The H2–D2 exchange reaction proceeded via not only the σ-bonded hydrogen of the complexes, but also homolytically dissociated “mobile” hydrogen.
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