Electrode of the first Kind Metal in contact with its cations or non- metal in contact with its anions EXAMPLES Cu2+ /Cu(s) Electrodes in daniell cell Zn2/Zn(s SHE Ag/Ag(nonaqueous reference electrode) CI/Cl(g/PtElectrode of the First Kind • Metal in contact with its cations or non￾metal in contact with its anions • EXAMPLES: – Cu2+ /Cu(s) – Zn2+/Zn(s) – SHE – Ag+ /Ag (nonaqueous reference electrode) – Cl- /Cl2 (g)/Pt Electrodes in Daniell cell