SEARCH Articles Figures Tables BINAP ligands asymmetric protonation Energy Profile of Proton Transfer to a Hydride Ligand in Solution Halide ligand protonation Hydrogen Evaluation Involving Ligands as Proton Donors Ligand protonation Ligand protonation constants Ligand surface protonation Metal—ligand bonds competition with protons Proton Transfer to a Hydride Ligand in Solution Experimental Observation of Intermediates Proton exchange amine ligands Proton sensor ligands Proton transfer to ancillary ligands Protonation of a ligand Surface protonation Ligand-promoted dissolution Surface protonation ligand adsorption