Chlorine -water on standing loses its yellow colour - why ?

Chlorine water on standing loses Its colour and forms:

Why urine is yellow in colour?

Why chlorine water loses its yellow colour on standing ?

Chlorine water loses its yellow colour on standing because :

What is chlorine - water ? Why does chlorine water lose its yellow colour when left undisturbed ?

Q.8.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 presence of sunlight . (c)HOCl and Hydrogen gas is produced . (d)a mixture of HCl and ClO_3 is produced due to the action of sunlight.