Question 35
HalogensClothes should be properly rinsed with water after bleaching because
- A.the bleach decolourizes the clothes
- B.chlorine reacts with fabrics during bleaching
- C.the clothes are sterilized during bleaching
- D.hydrogen chloride solution is produced during bleaching
Show the answer and explanation
Answer: D (hydrogen chloride solution is produced during bleaching)
Explanation
Chlorine bleaches by forming HOCl, which releases oxygen and leaves hydrochloric acid behind. The acid would weaken the fabric if it were not rinsed out.