1: 78 percent / 12 N HCl / H2O / 1.) 1 h, -13 deg C, 2.) 1h, 0 deg C, 3.) 1 h, room temperature, 4.) 4 h, 60 deg C 2: 67 percent / orthoperiodic acid, 2 N NH3 / H2O / 14 h / Ambient temperature View Scheme