Question

Chlorine water loses its yellow colour on standing because: 

(a) HCl gas is produced, due to the action of sunlight. 

(b) a mixture of HOCl and HCl is produced in the presence of light 

(c) HOCl and hydrogen gas is produced 

(d) a mixture of HCl and ClO₃ is produced, due to the action of sunlight

Answer 1

Answer is (b) a mixture of HOCl and HCl is produced in the presence of sunlight 

Cl₂(g) + H₂O (l) \(\rightarrow\)  HCl (g) +HOCl(aq)