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Identify the products when  \mathrm{H}_2 \mathrm{O}_2 reacts with \mathrm{MnSO_{4}} in alkaline medium.

\mathrm{A. \, \, \mathrm{MnO}}

\mathrm{B. \, \, \mathrm{Mn} _{3} \mathrm{O} _{4}}

\mathrm{C. \, \, \mathrm{MnO} _{2}}

 

Option: 1

A only
 


Option: 2

B & C only
 


Option: 3

C only
 


Option: 4

None of the above


Answers (1)

best_answer

\mathrm{H}_2 \mathrm{O}_2 acts as a powerful oxidizing agent. Its reaction with \mathrm{MnSO} 4 in alkaline medium is as follows:

\mathrm{MnSO}_4+\mathrm{H}_2 \mathrm{O}_2+2 \mathrm{NaOH} \rightarrow \mathrm{MnO}_2+\mathrm{Na}_2 \mathrm{SO}_4+2 \mathrm{H}_2 \mathrm{O}
It may be observed that \mathrm{Mn}^{2+}undergoes oxidation and its oxidation state of Mn changes from +2 \, \, to +4 .

Posted by

HARSH KANKARIA

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