I have #1-4 and need the answer to #5. \"What is the net ionic equation of the a

Question

I have #1-4 and need the answer to #5. "What is the net ionic equation of the above reaction?"

Pre-lab Questions The overall molecular equation for the reaction of potassium permanganate with sodium oxalate is given as: 5 Na2C,04(aq) + 2 KMnO4 (aq) + 8 H,SO4(aq) ? Answer the following questions 1. What is the oxidation number of carbon(C) in 2 MnSO4(aq)+ K2SO4(aq)+5 Na,So4(aq) + 10 CO2(g)+8 H00) ?1 C4 2. What is the oxidation number of manganese (Mn) in 3. Which reactant is the oxidizing agent? Explain. Mn04 4. Which reactant is the reducing agent? Explain. Na 1C104 5. Write the net ionic equation of the above reaction

Explanation / Answer

5 Na2C2O4(aq) + 2 KMnO4(aq) + 8 H2So4(aq) ------------------- 2MnSO4(aq) + K2So4(aq) + 5 Na2So4(aq) + 10CO2(g) + 8 H2O(l)

10Na+(aq) + 5 C2O4(aq) + 2 K+(aq) +2 MnO4-(aq) + 16 H+(aq) + 8 SO4-2(aq) --------------------------- 2 Mn+2(aq) + 2 So4-2(aq) +2K+(aq) + SO4-2(aq) + 10 Na+(aq) + 5 SO4-2(aq) + 10CO2(g) + 8 H2O(l)

Spectator ions are cancelled on both sides K+ , Na+, So4-2 ( the ions which are present on both sides without any change are called as spectator ions)

5 C2O4-2(aq) +2 MnO4-(aq) + 16 H+(aq) ------------------ 2 Mn+2(aq) + 10 CO2(g) + 8 H2O(l)

This is the net ionic equation.

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