Question

$S{O}_2$ gas is used as a bleaching agent. Its bleaching action is_______.

• A. temporary and due to its oxidizing nature
• B. temporary and due to its reducing action
• C. permanent and due to its oxidizing action
• D. permanent and due to its reducing action

Answer 1

The correct option is B temporary and due to its reducing action

$S{O}_2$ gas is used as a bleaching agent. Its bleaching action is temporary due to its reducing action. Here S oxidises to higher oxidation state and it reduces other compound.