NEETChemistryp Block Elements (Group 15, 16, 17 & 18)
What is the chemical reaction for the bleaching action of chlorine on colored substances in the presence of moisture?
Options
- ACl 2 + H 2 O → 2HCl + O 2
- BColored substance + O 2 → Colorless substance
- CCl 2 + H 2 O → 2HCl + H 2 O
- DColored substance + H 2 O → Colorless substance
Correct answer
B. Colored substance + O 2 → Colorless substance
Step-by-step solution
The bleaching action of chlorine on colored substances in the presence of moisture involves the reaction: Colored substance + O 2 → Colorless substance. Chlorine provides the oxygen (O 2 ) needed for bleaching.