Hydrogenation of olefins. Part 1.—Hydrogenation of ethylene, propylene and the n-butenes over alumina-supported platinum and iridium

Part 1.-Hydrogenation of Ethylene, Propylene and the n-Butenes over Alumina- Part 1.-Hydrogenation of Ethylene, Propylene and the n-Butenes over Alumina- supported Platinum and Iridium BY G. C. BOND,* J. J. PHILLIPSON,? P. B. WELLSAND $ Dept. of Chemistry, The University, Hull The interaction of ethyl