Question

Which of the following reactions shows reducing nature of $H_{2}O_{2}$?

• A. $PbS + 4H_{2}O_{2} \rightarrow PbSO_{4} + 4H_{2}O$
• B. $Ag_{2}O + H_{2}O_{2} \rightarrow 2Ag + H_{2}O + O_{2}$
• C. $2HCHO + H_{2}O_{2} \rightarrow 2HCOOH + H_{2}O$
• D. $Na_{2}SO_{3} + H_{2}O_{2} \rightarrow Na_{2}SO_{4} + H_{2}O$

Answer 1

Answer: (B)

$Ag_{2}O + H_{2}O_{2} \rightarrow 2Ag + H_{2}O + O_{2}$

Answer 2

: In the reaction $Ag_{2}O$is reduced to Ag hence $H_{2}O_{2}$acts as a reducing agent.

$Ag_{2}O + H_{2}O_{2} \rightarrow 2Ag + H_{2}O + O_{2}$