Classification | Compound |
Free cyanide | CN−, HCN |
Simple compounds a) readily soluble b) neutral insoluble salts | NaCN, KCN, Ca(CN)2, Hg(CN)2, Zn(CN)2, Cd(CN)2, CuCN, Ni(CN)2, AgCN |
Weak complexes | , , |
Moderately strong complexes | , , , |
Strong complexes | , , , |