Author Question: A piece of iron wire weighing 1.63 g is converted to Fe2+(aq) and requires 21.9 mL of KMnO4 solution ... (Read 18 times)

yoooooman · **on:** Jul 8, 2021

Question 1

A disproportionation reaction is one in which:
◦ the equation is not balanced
◦ the same substance is oxidized and reduced
◦ more of one substance reacts than another
◦ water must be added
◦ both reactants are reduced

Question 2

A piece of iron wire weighing 1.63 g is converted to Fe²⁺(aq) and requires 21.9 mL of KMnO₄ solution for its titration. What is the molarity of the KMnO₄ solution? The reaction occurring during the titration is:

5 Fe²⁺(aq) + MnO₄^-(aq) + 8 H⁺(aq) → 5 Fe³⁺(aq) + Mn²⁺(aq) + 4 H₂O

◦ 1.33 M
◦ 0.267 M
◦ 2.67 × 10^-4 M
◦ 14.9 M
◦ 1.33 × 10^-3 M

ju · **Reply #1 on:** Jul 8, 2021

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