Exam 19: Oxidationreduction Electron Transferreactions

Balance the following redox reaction in acidic solution and determine how many water molecules are in the equation.MnO₄^- + ClO^- ClO₃^- + Mn²⁺ + H₂O

What role does the reducing agent play in a redox reaction?

What happens in a galvanic cell?

Which of the following substances is most likely to be a reducing agent?

What is the oxidation number of Cl in Cl₂?

Which of the following is the correct net ionic equation for the redox reaction between nickel ion and metallic silver and the correct direction that is favored? The half reactions are: Ag⁺ + e^- Ag(s) Ni²⁺ + 2e^- Ni(s) Ag⁺ is a stronger oxidizing agent than Ni²⁺.

Which substance gets reduced in this redox reaction? Pb(s)+ PbO₂(s)+ 2 H₂SO₄(aq) 2 PbSO₄(s)+ 2 H₂O( )

Which of the following cannot be a reducing agent?

In balancing the half-reaction SO₄^2-(aq) S(s) How many H⁺ ions are added to which side?

What happens to an elemental oxidizing agent in a redox reaction?

What evidence suggests that Na⁺ ions are very weak oxidizing agents?

What is the oxidation number of titanium in TiO₂?

Consider the following table of relative strengths of oxidizing and reducing agents:

What is the balanced redox equation that results from the combination of the following half-reactions? Cr³⁺ + 3e^- Cr and 2 Cl^- Cl₂ + 2 e^-

Oxidation-reduction reactions are also known as...

Balance the following redox equation in acidic solution and determine the coefficient placed in front of H₂O: ___ Cu + ___ NO₃^- + ___ H⁺ ___ Cu²⁺ + ___ NO + ___ H₂O

In the reaction of carbon with oxygen,which substance is oxidized? The equation for the reaction is C(s)+ O₂(g) CO₂(g).

What is the oxidation number of chromium in Cr₂O₇^2-?

Examine the two beakers shown below. If the metals were connected by a wire containing a meter and the two solutions by a salt bridge,the electrons flow from the Zn half-cell to the Pb half-cell.Which of the following is correct?

Which among the following are the parts that comprise an electrolytic cell? i.Two electrodes ii.A molecular liquid iii.A salt bridge iv.An ionic solution