Question

200 litre of aq. NaCl is electrolysed by passing 40 Faraday charge. If current efficiency is 50% , then find
(1) Wt. of Cl2 librated at anode
(2) Wt. of NaOH formed
(3) ph of the solition after electrolysis....
{710g, 800g, ph=13]

Answer 1

Answer:

2NaCl 2Na+ + 2Cl- 2H2O 2H+ + 2OH- At anode: 2Cl-→ Cl2 + 2e- At cathode : 2H+ + 2e-→ H2 Net reaction (8 5 5:) 2NaCl + 2H2O 2OH- + H2 + Cl2 + 2Na+ ...