<prompt> Which of these is irritating for skin so not used as disinfectant for skin preperarionsChlorhexidineHypochloriteAlcoholCyclopropane  <response>: Sodium hypochlorite is corrosive irritative to skin can cause chemical burns if applied to skin directly; so not used as skin disinfectant.Sodium hypochlorite it is a powerful disinfectant used for dairy.It is unstable and too irritating to be used as antiseptic, except for RCT in dentistry.In high concentration, hypochlorite becomes unsafe, hence may be marked as answer of choiceAlcoholsThey act on bacteria, fungi, some enveloped virus like HIV; but not spores.They act by denaturing proteins and possibly by dissolving membrane lipids.Ethyl alcohol is used as surgical spirit 70 in hand rubs as antiseptics.Isopropyl alcohol: Used for clinical thermometers.Glutaraldehyde: Used as 2 concentration 2 cidex for 20 minChlorhexidine: It is an active ingredient of savion chlorhexidine and cetrimideChloroxylenol: It is an active ingredient of dettol 