Organic 2 Lecture Only (3 credit hours). Students requiring Organic 2 Lab should register for CHE 206 (2 credit hours) together with CHE204. This course is a controlled enrollment (impacted) course. Students who have previously attempted the course and received a grade other than W may repeat the course in the summer or winter; or only in the fall or spring semester with a petition to the College of Arts and Sciences Deans’ Office.