Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
In aqueous alkaline solution, two electrons reduction of $\mathrm{HO}_{2}^{-}$ gives
ChemistryRedox ReactionsWBJEEWBJEE 2015
Options:
  • A $\mathrm{HO}^{-}$
  • B $\mathrm{H}_{2} \mathrm{O}$
  • C $\mathrm{O}_{2}$
  • D $O_{2}^{-}$
Solution:
2212 Upvotes Verified Answer
The correct answer is: $\mathrm{HO}^{-}$
In aqueous alkaline solution, two electron reduction of $\mathrm{HO}_{2}^{-}$ gives OH The reaction is as follows:
$\begin{array}{l}
\mathrm{H}_{2} \mathrm{O}_{2} \rightleftharpoons \mathrm{H}^{+}+\mathrm{HO}_{2}^{-} \\
\mathrm{HO}_{2}^{-}+\mathrm{H}_{2} \mathrm{O}+2 e^{-} \rightleftharpoons 3 \mathrm{OH}
\end{array}$

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.