Recommended disinfectant specific to killing Corona Virus is?

Correct option is D

Sol. Sodium hypochlorite (1%) is the most effective and WHO-recommended disinfectant for killing coronavirus on surfaces. It destroys the virus by denaturing proteins and disrupting membranes. Other household disinfectants may clean surfaces but are less effective against viral particles.
Explanation of each option:
· (a) Carbolic acid – Historical disinfectant (phenol-based) but not widely used for COVID-19.
· (b) LyzoL – A commercial product effective in general cleaning, but specific concentration and composition matter.
· (c) Phenyl – Commonly used in floors for cleaning, not reliable against COVID-19 virus.
· (d) Sodium Hypochlorite – Correct. Officially recommended for disinfecting contaminated areas during COVID-19.