Which chemical is commonly used as a disinfectant and has the formula NaOCl?
A
Sodium hypochlorite
B
Sodium chloride
C
Sodium chlorate
D
Sodium chlorite
Correct Answer: Option A — Sodium hypochlorite
Explanation:
Sodium hypochlorite (NaOCl) is the active ingredient in household bleach, widely used as a disinfectant and bleaching agent due to its strong oxidizing properties that kill bacteria and remove stains.