Question

Which of the following is/are used as a bleaching agent(s)?

• A. $C{l}_2$
• B. $H_2{O}_2$
• C. $S{O}_2$
• D. $Cl{O}_2$

Answer 1

Answer: (A), (B), (C), (D)

The correct options are
A $C{l}_2$
B $H_2{O}_2$
C $S{O}_2$
D $Cl{O}_2$

Bleaching agents can be of either oxidising or reducing nature.

$\left(a\right)$ $C{l}_2$ is a powerful oxidising agent and is used in household bleaches.

$\left(b\right)$ Non chlorine bleaches are based on peroxides such as $H_2{O}_2$

$\left(c\right)$ $S{O}_2$ is a reducing bleach.

$\left(d\right)$ $Cl{O}_2$​ is used as a bleaching agent for paper pulp and textiles.