Solution:
Option (i) and (ii) are the answers.
Reason:
When benzene diazonium chloride reacts with phenol, the para-position of the phenol molecule is coupled with the diazonium salt, forming phydroxy azobenzene.
A coupling reaction is the name for this type of reaction.
This is an electrophilic substitution reaction in action.
The following is an illustration of the reaction: