hydrogenchloride; hydrogen; platinum in methanol; water P=2699.3 Torr; 3 h;

1: 69 percent / conc. HCl, H2 / 5percent Pt/C sulfided / methanol; H2O / 2699.3 Torr / 1-2 h 2: 22 percent / H2, HCl / Pt-black / methanol; H2O / 3 h / 2699.3 Torr View Scheme

1: 1) NaNO2, conc.HCl, 2) CuCl / 1) acetone-water, below 8 deg C 2: 69 percent / conc. HCl, H2 / 5percent Pt/C sulfided / methanol; H2O / 2699.3 Torr / 1-2 h 3: 22 percent / H2, HCl / Pt-black / methanol; H2O / 3 h / 2699.3 Torr View Scheme