can you please do part A? Course Home nmentProblemID-87709624 « previous 7 of 2

Question

can you please do part A?

Course Home nmentProblemID-87709624 « previous 7 of 2 Part A H2O2(aq) + CIO2(aq) CIOg (aq) + O2(g) Express your answer as a chemical equation. Identify all of the phases in your answer. H, 02 (aq) + 2C10, (aq) + 2NaOH(aq) 2NaC102 (aq) Submit My Answers Give Up Incorrect; One attempt remaining; Try Again Part B Al(s) + Mno, (aq) MnO2 (s) + Al(011), (aq) Express your answer as a chemical equation, Identify all of the phases in your answer. Al(s) + 212Ol) Mnos (aq)AI(OH) (aq) + MnO2(s) My Answers Give Up Correct Part C Cla (g) Cl. (aq) + CIO (aq)

Explanation / Answer

Part A

In basic medium

the oxidation half reaction is

H2O2 + 2 OH- ------------> O2 + 2H2O + 2e-

the reduction half reaction is

ClO2 +e- -----------> ClO2-

Thus the overall balanced equation is

H2O2(aq) + 2 OH-(aq) +2 ClO2 (aq) ------------> O2(g) + 2H2O(l) + 2ClO2-(aq)

In acidic medium it is

H2O2(aq) +2 ClO2 (aq) ------------> O2(g) + 2H+(aq) + 2ClO2-(aq)

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