Multiple choice

Which of the following statements is correct?

  1. SO2 acts as temporary bleaching agent, while Cl2 acts as permanent bleaching agent.

  2. SO2 acts as permanent bleaching agent, while Cl2 acts as temporary bleaching agent.

  3. Both SO2 and Cl2 act as temporary bleaching agents.

  4. Both SO2 and Cl2 act as permanent bleaching agents.

  5. SO2 can be used as bleaching agent, while Cl2 cannot be used.<!--?xml:namespace prefix = o /--><o:p></o:p><o:p></o:p>

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

SO2 bleaches due to reduction which is temporary bleach and can be converted to its original by atmospheric oxygen, whereas Cl2 bleaches due to oxidation which is permanent bleach.