Well, I think chapter two plays a leading role, gives a direction to the study so it has to be drafted accordingly. Start the topic in general first and later in particular as per the research objective/hypothesis/variables of the study. It is very helpful to summaries the chapter in the end for better understanding both for the reader and for the researcher.
The exact composition of a thesis may vary according to the academic discipline and the stipulations of the specific institution. Yet, a frequently adopted template for the second chapter of a thesis, usually dedicated to scrutinising the relevant literature, is put forth for consideration.