Electrochemistry:-

Comment on pH of solution after electrolysis of ZnSO4 in aqueous media by using Zn electrode.

Asked by avaneesh5116 | 7th Aug, 2020, 05:24: PM

Expert Answer:

Zinc is having lower standard reduction potential than hydrogen, so at anode oxidation of zinc takes place and evolution of hydrogen gas takes place at the cathode. Due to absence of  H+ and presence of OH- ions in solutions, pH increases.

Answered by Ravi | 7th Aug, 2020, 09:20: PM