Detection of Carbon, Hydrogen , Nitrogen ,Oxygen, Sulphur ,Halogens in Organic compounds Detection of Elements in Organic compounds: 100% Organic compounds have carbon. Besides carbon, they also have hydrogen, oxygen, nitrogen, Sulphur and halogens. For detections of these elements chemical tests are performed as follows: I)   Detection of Carbon:-                  Take a little amount ofDetection of Carbon, Hydrogen , Nitrogen ,Oxygen, Sulphur ,Halogens in Organic compounds