Question

igualacion ecuaciones redox metodo ion electron

Answer 1

Cl2 + 2 e- = 2 Cl- ( reduction) 
Cl2 + 2 H2O = 2 ClO- + 4 H+ + 2e- ( oxidation) 

2 Cl2 + 2 H2O = 2 Cl- + 2 ClO- + 4 H+ 

divide by 2 

Cl2 + H2O = Cl- + ClO- + 2 H+