Cetrimide is: (A) Aldehyde, (B) Halogen, (C) Phenol, (D) Quaernary ammonium compounds
Answer is D. Cetrimide is Quaernary ammonium compounds. Lysol, Cresol derivatives of coal tar are a type of phenols Formaldehyde and glutaraldehyde are aldehydes Iodine and chlorine are halogens Ref : Ananthanarayana textbook of Microbiology 9th edition Pgno : 33