Which of the following substance may be used as antiseptic as well as disinfectant

Given Data: It is asked in the question which substance may be used as antiseptic as well as disinfectant

Concept Used: Phenol

Detailed Solution: 

Phenol is a versatile precursor for a large number of drugs, most notably aspirin but also any herbicides and pharmaceutical drugs. Phenol is also used as an oral anaesthetic/analgesic in Chloraseptic or other brand-name and generic equivalents, commonly used to temporarily treat pharyngitis. It is also used as a disinfectant. Chlorine can also be used as a disinfectant and antiseptic.

Hence, the required option is D).