Question 1

Shown below is a galvanic cell with anode compartment b containing anode a and cathode compartment d containing cathode c.Electrons flow through wire f,ions flow through salt bridge e,and the cell potential is read using voltmeter g.
This galvanic cell uses the reaction: Cu(s)+ 2 AgS1U1P1+S1S1P0(aq) $\rarr$ 2 Ag(s)+ CuS1U1P12+S1S1P0(aq). 
-What is the shorthand notation for this cell?

Accepted Answer

A) Cu2+(aq)∣ Cu(s)∣∣ Ag+(aq)∣ Ag(s) 
B) Cu(s)∣ Cu2+(aq)∣∣ Ag(s)∣ Ag+(aq) 
C) Cu2+(aq)∣ Cu(s)∣∣ Ag(s)∣ Ag+(aq) 
D) Cu(s)∣ Cu2+(aq)∣∣ Ag+(aq)∣ Ag(s)

Question 2

A galvanic cell consists of a Ni2+/ Ni half-cell and a standard hydrogen electrode.If the Ni2+/ Ni half-cell standard cell functions as the anode,and the standard cell potential is 0.26 V,what is the standard reduction potential for the Ni2+/ Ni half-cell?

Accepted Answer

A) - 0.26 V 
B) - 0.13 V 
C) + 0.13 V 
D) + 0.26 V

Question 3

For the galvanic cell reaction,expressed below using shorthand notation,what half-reaction occurs at the cathode?
Zn(s)∣ Zn2+(aq)∣∣ Ni2+(aq)∣ Ni(s)

Accepted Answer

A) Zn(s)→ Zn2+(aq)+ 2 e- 
B) Zn2+(aq)+ 2 e- → Zn(s) 
C) Ni(s)→ Ni2+(aq)+ 2 e- 
D) Ni2+(aq)+ 2 e- → Ni(s)

Question 4

A galvanic cell consists of a La3+/La half-cell and a standard hydrogen electrode.If the La3+/La half-cell standard cell functions as the anode,and the standard cell potential is 2.52 V,what is the standard reduction potential for the La3+/La half-cell?

Accepted Answer

A) -2.52 V 
B) -0.84 V 
C) +0.84 V 
D) +2.52 V

Question 5

The gas OF2 can be produced from the electrolysis of an aqueous solution of KF,as shown in the equation below.
OF2(g)+ 2 H+(aq)+ 4 e- → H2O(l)+ 2 F-(aq)E° = +2.15 V
Using the given standard reduction potential,calculate the amount of OF2 that is produced,and the electrode at which the OF2 is produced,upon the passage of 0.480 faradays through an aqueous KF solution.

Accepted Answer

A) 6)48 g of OF2 at the anode. 
B) 26.0 g of OF2 at the anode. 
C) 6)48 g of OF2 at the cathode. 
D) 26.0 g of OF2 at the cathode.

Question 6

Which battery does not use MnO2(s)as a cell reactant?

Accepted Answer

A) an alkaline dry cell. 
B) a Leclanche' dry cell. 
C) a lithium battery. 
D) a "ni-cad" battery.

Question 7

The shorthand notation for the galvanic cell reaction Fe3+(aq)+ 2 I-(aq)→ Fe2+(aq)+ I2(s)requires an inert electrode on

Accepted Answer

A) both sides of the salt bridge 
B) neither side of the salt bridge 
C) only on the left side of the salt bridge 
D) only on the right side of the salt bridge

Question 8

-According to Table 17.1,which will reduce water but not Mg2+?

Accepted Answer

A) Al3+(aq) 
B) Al(s) 
C) Na+(aq) 
D) Na(s)

Question 9

For the galvanic cell reaction,expressed below using shorthand notation,what half-reaction occurs at the cathode?
Zn(s)∣ Zn2+(aq)∣∣ Ni2+(aq)∣ Ni(s)

Accepted Answer

A) Zn(s)→ Zn2+(aq)+ 2 e- 
B) Zn2+(aq)+ 2 e- → Zn(s) 
C) Ni(s)→ Ni2+(aq)+ 2 e- 
D) Ni2+(aq)+ 2 e- → Ni(s)

Question 10

What is the shorthand notation that represents the following galvanic cell reaction?
2 Fe2+(aq)+ F2(g)→ 2 Fe3+(aq)+ 2 F-(aq)

Accepted Answer

A) Fe2+(aq)∣ Fe3+(aq)∣∣ F2(g)∣ F-(aq) 
B) Fe(s)∣ Fe2+(aq)∣∣ Fe3+(aq)F2(g)∣ F-(aq)∣ C(s) 
C) Pt(s)∣ Fe3+(aq),Fe2+(aq),F2(g)∣∣ F-(aq)∣ C(s) 
D) Pt(s)∣ Fe2+(aq),Fe3+(aq)∣∣ F2(g)∣ F-(aq)∣ C(s)

Question 11

Consider the following table of standard half-cell potentials:
A2 + 2 e- → 2 A- E° = + 1.09 V
B4+ + 2 e- → B2+ E° = + 0.15 V
C3+ + 3 e- → C E° = - 1.66 V
D2+ + 2 e- → D E° = - 2.37 V
Which substance is the strongest oxidizing agent?

Accepted Answer

A) A2 
B) B4+ 
C) C3+ 
D) D2+

Question 12

Shown below is a galvanic cell with anode compartment b containing anode a and cathode compartment d containing cathode c.Electrons flow through wire f,ions flow through salt bridge e,and the cell potential is read using voltmeter g.
This galvanic cell uses the reaction: Cu(s)+ 2 AgS1U1P1+S1S1P0(aq) $\rarr$ 2 Ag(s)+ CuS1U1P12+S1S1P0(aq). 
-Given the half-cell potentials below,calculate the cell potential.
Ag+(aq)+ e- → Ag(s)0.80 V
Cu2+(aq)+ 2 e- → Cu(s)0.34 V

Accepted Answer

A) 0)46 V 
B) 1)14 V 
C) 1)26 V 
D) 1)94 V

Question 13

Ag+(aq)+ e- → Ag(s)E° = +0.800 V
AgBr(s)+ e- → Ag(s)+ Br-(aq)E° = +0.071 V
Br2(l)+ 2 e- → 2 Br-(aq)E° = +1.066 V
Use some of the data above to calculate Ksp at 25°C for AgBr.

Accepted Answer

A) 6.3 × 10-2 
B) 4.9 × 10-13 
C) 1.9 × 10-15 
D) (2.4 × 10-34)

Question 14

The standard cell potential for the following galvanic cell is 0.71 V. Mg(s)|Mg²⁺(aq)||Al³⁺(aq)|Al This reaction has an equilibrium constant,K = ________.

Accepted Answer

The answer of The standard cell potential for the following...

Question 15

What is the standard cell potential for the reaction below?
Mg(s)+ Br2(l)→ Mg2+(aq)+ 2 Br-(aq)
The standard reduction potential is -2.37 V for the Mg2+/Mg half-cell and +1.09 V for the Br2/Br- half-cell.

Accepted Answer

A) -3.46 V 
B) -1.28 V 
C) +1.28 V 
D) +3.46 V

Question 16

In the galvanic cell represented by the shorthand notation shown below Pb(aq)| Pb²⁺(aq)| Cl₂(g)|Cl^-(aq)| Pt(s) the inert electrode is ________,and the balanced cathode half-reaction reaction is ________.

Accepted Answer

The answer of In the galvanic cell represented by the...

Question 17

Calculate the cell potential E at 25°C for the reaction
2 Al(s)+ 3 Fe2+(aq)→ 2 Al3+(aq)+ 3 Fe(s)
Given that [Fe2+] = 0.020 M,[Al3+] = 0.10 M,and the standard reduction potential is -1.66 V for Al3+/Al and -0.45 V for Fe2+/Fe.

Accepted Answer

A) +1.03 V 
B) +1.17 V 
C) +1.18 V 
D) +1.20 V

Question 18

What is the reduction half-reaction for the following overall cell reaction?
Co2+(aq)+ 2 Ag(s)→ Co(s)+ 2 Ag+(aq)

Accepted Answer

A) Ag(s)+ e- → Ag+(aq) 
B) Ag+(aq)+ e- → Ag(s) 
C) Co2+(aq)+ 2 e- → Co(s) 
D) Co2+(aq)+ e- → Co(s)

Question 19

During an electrochemical reaction,electrons move through the external circuit toward the ________ and positive ions in the cell move toward the ________.

Accepted Answer

A) anode,anode 
B) anode,cathode 
C) cathode,anode 
D) cathode,cathode

Question 20

Which cell involves a nonspontaneous redox reaction?

Accepted Answer

A) concentration cell 
B) electrolytic cell 
C) fuel cell 
D) galvanic cell

Exam 17: Electrochemistry

A galvanic cell consists of a Ni²⁺/ Ni half-cell and a standard hydrogen electrode.If the Ni²⁺/ Ni half-cell standard cell functions as the anode,and the standard cell potential is 0.26 V,what is the standard reduction potential for the Ni²+/ Ni half-cell?

For the galvanic cell reaction,expressed below using shorthand notation,what half-reaction occurs at the cathode? Zn(s) ∣ Zn²⁺(aq) ∣∣ Ni²⁺(aq) ∣ Ni(s)

A galvanic cell consists of a La³⁺/La half-cell and a standard hydrogen electrode.If the La³⁺/La half-cell standard cell functions as the anode,and the standard cell potential is 2.52 V,what is the standard reduction potential for the La³⁺/La half-cell?

Which battery does not use MnO₂(s) as a cell reactant?

The shorthand notation for the galvanic cell reaction Fe³⁺(aq) + 2 I^-(aq) → Fe²⁺(aq) + I₂(s) requires an inert electrode on

-According to Table 17.1,which will reduce water but not Mg²⁺?

For the galvanic cell reaction,expressed below using shorthand notation,what half-reaction occurs at the cathode? Zn(s) ∣ Zn²⁺(aq) ∣∣ Ni²⁺(aq) ∣ Ni(s)

What is the shorthand notation that represents the following galvanic cell reaction? 2 Fe²⁺(aq) + F₂(g) → 2 Fe³⁺(aq) + 2 F^-(aq)

Consider the following table of standard half-cell potentials: A₂ + 2 e^- → 2 A^- E° = + 1.09 V B⁴⁺ + 2 e^- → B²⁺ E° = + 0.15 V C³⁺ + 3 e^- → C E° = - 1.66 V D²⁺ + 2 e^- → D E° = - 2.37 V Which substance is the strongest oxidizing agent?

Ag⁺(aq) + e^- → Ag(s) E° = +0.800 V AgBr(s) + e^- → Ag(s) + Br^-(aq) E° = +0.071 V Br₂(l) + 2 e^- → 2 Br^-(aq) E° = +1.066 V Use some of the data above to calculate K_sp at 25°C for AgBr.

The standard cell potential for the following galvanic cell is 0.71 V. Mg(s)|Mg²⁺(aq)||Al³⁺(aq)|Al This reaction has an equilibrium constant,K = ________.

What is the standard cell potential for the reaction below? Mg(s) + Br₂(l) → Mg²⁺(aq) + 2 Br^-(aq) The standard reduction potential is -2.37 V for the Mg²⁺/Mg half-cell and +1.09 V for the Br₂/Br^- half-cell.

In the galvanic cell represented by the shorthand notation shown below Pb(aq)| Pb²⁺(aq)| Cl₂(g)|Cl^-(aq)| Pt(s) the inert electrode is ,and the balanced cathode half-reaction reaction is .

Calculate the cell potential E at 25°C for the reaction 2 Al(s) + 3 Fe²⁺(aq) → 2 Al³⁺(aq) + 3 Fe(s) Given that [Fe²⁺] = 0.020 M,[Al³⁺] = 0.10 M,and the standard reduction potential is -1.66 V for Al³⁺/Al and -0.45 V for Fe²⁺/Fe.

What is the reduction half-reaction for the following overall cell reaction? Co²⁺(aq) + 2 Ag(s) → Co(s) + 2 Ag⁺(aq)

During an electrochemical reaction,electrons move through the external circuit toward the and positive ions in the cell move toward the .

Which cell involves a nonspontaneous redox reaction?

Exam 17: Electrochemistry

A galvanic cell consists of a Ni2+/ Ni half-cell and a standard hydrogen electrode.If the Ni2+/ Ni half-cell standard cell functions as the anode,and the standard cell potential is 0.26 V,what is the standard reduction potential for the Ni2+/ Ni half-cell?

For the galvanic cell reaction,expressed below using shorthand notation,what half-reaction occurs at the cathode? Zn(s) ∣ Zn2+(aq) ∣∣ Ni2+(aq) ∣ Ni(s)

A galvanic cell consists of a La3+/La half-cell and a standard hydrogen electrode.If the La3+/La half-cell standard cell functions as the anode,and the standard cell potential is 2.52 V,what is the standard reduction potential for the La3+/La half-cell?

Which battery does not use MnO2(s) as a cell reactant?

The shorthand notation for the galvanic cell reaction Fe3+(aq) + 2 I-(aq) → Fe2+(aq) + I2(s) requires an inert electrode on

-According to Table 17.1,which will reduce water but not Mg2+?

For the galvanic cell reaction,expressed below using shorthand notation,what half-reaction occurs at the cathode? Zn(s) ∣ Zn2+(aq) ∣∣ Ni2+(aq) ∣ Ni(s)

What is the shorthand notation that represents the following galvanic cell reaction? 2 Fe2+(aq) + F2(g) → 2 Fe3+(aq) + 2 F-(aq)

Consider the following table of standard half-cell potentials: A2 + 2 e- → 2 A- E° = + 1.09 V B4+ + 2 e- → B2+ E° = + 0.15 V C3+ + 3 e- → C E° = - 1.66 V D2+ + 2 e- → D E° = - 2.37 V Which substance is the strongest oxidizing agent?

Ag+(aq) + e- → Ag(s) E° = +0.800 V AgBr(s) + e- → Ag(s) + Br-(aq) E° = +0.071 V Br2(l) + 2 e- → 2 Br-(aq) E° = +1.066 V Use some of the data above to calculate Ksp at 25°C for AgBr.

The standard cell potential for the following galvanic cell is 0.71 V. Mg(s)|Mg2+(aq)||Al3+(aq)|Al This reaction has an equilibrium constant,K = ________.

What is the standard cell potential for the reaction below? Mg(s) + Br2(l) → Mg2+(aq) + 2 Br-(aq) The standard reduction potential is -2.37 V for the Mg2+/Mg half-cell and +1.09 V for the Br2/Br- half-cell.

In the galvanic cell represented by the shorthand notation shown below Pb(aq)| Pb2+(aq)| Cl2(g)|Cl-(aq)| Pt(s) the inert electrode is ________,and the balanced cathode half-reaction reaction is ________.

Calculate the cell potential E at 25°C for the reaction 2 Al(s) + 3 Fe2+(aq) → 2 Al3+(aq) + 3 Fe(s) Given that [Fe2+] = 0.020 M,[Al3+] = 0.10 M,and the standard reduction potential is -1.66 V for Al3+/Al and -0.45 V for Fe2+/Fe.

What is the reduction half-reaction for the following overall cell reaction? Co2+(aq) + 2 Ag(s) → Co(s) + 2 Ag+(aq)

During an electrochemical reaction,electrons move through the external circuit toward the ________ and positive ions in the cell move toward the ________.

Which cell involves a nonspontaneous redox reaction?

A galvanic cell consists of a Ni²⁺/ Ni half-cell and a standard hydrogen electrode.If the Ni²⁺/ Ni half-cell standard cell functions as the anode,and the standard cell potential is 0.26 V,what is the standard reduction potential for the Ni²+/ Ni half-cell?

For the galvanic cell reaction,expressed below using shorthand notation,what half-reaction occurs at the cathode? Zn(s) ∣ Zn²⁺(aq) ∣∣ Ni²⁺(aq) ∣ Ni(s)

A galvanic cell consists of a La³⁺/La half-cell and a standard hydrogen electrode.If the La³⁺/La half-cell standard cell functions as the anode,and the standard cell potential is 2.52 V,what is the standard reduction potential for the La³⁺/La half-cell?

Which battery does not use MnO₂(s) as a cell reactant?

The shorthand notation for the galvanic cell reaction Fe³⁺(aq) + 2 I^-(aq) → Fe²⁺(aq) + I₂(s) requires an inert electrode on

-According to Table 17.1,which will reduce water but not Mg²⁺?

For the galvanic cell reaction,expressed below using shorthand notation,what half-reaction occurs at the cathode? Zn(s) ∣ Zn²⁺(aq) ∣∣ Ni²⁺(aq) ∣ Ni(s)

What is the shorthand notation that represents the following galvanic cell reaction? 2 Fe²⁺(aq) + F₂(g) → 2 Fe³⁺(aq) + 2 F^-(aq)

Consider the following table of standard half-cell potentials: A₂ + 2 e^- → 2 A^- E° = + 1.09 V B⁴⁺ + 2 e^- → B²⁺ E° = + 0.15 V C³⁺ + 3 e^- → C E° = - 1.66 V D²⁺ + 2 e^- → D E° = - 2.37 V Which substance is the strongest oxidizing agent?

Ag⁺(aq) + e^- → Ag(s) E° = +0.800 V AgBr(s) + e^- → Ag(s) + Br^-(aq) E° = +0.071 V Br₂(l) + 2 e^- → 2 Br^-(aq) E° = +1.066 V Use some of the data above to calculate K_sp at 25°C for AgBr.

The standard cell potential for the following galvanic cell is 0.71 V. Mg(s)|Mg²⁺(aq)||Al³⁺(aq)|Al This reaction has an equilibrium constant,K = ________.

What is the standard cell potential for the reaction below? Mg(s) + Br₂(l) → Mg²⁺(aq) + 2 Br^-(aq) The standard reduction potential is -2.37 V for the Mg²⁺/Mg half-cell and +1.09 V for the Br₂/Br^- half-cell.

In the galvanic cell represented by the shorthand notation shown below Pb(aq)| Pb²⁺(aq)| Cl₂(g)|Cl^-(aq)| Pt(s) the inert electrode is ,and the balanced cathode half-reaction reaction is .

Calculate the cell potential E at 25°C for the reaction 2 Al(s) + 3 Fe²⁺(aq) → 2 Al³⁺(aq) + 3 Fe(s) Given that [Fe²⁺] = 0.020 M,[Al³⁺] = 0.10 M,and the standard reduction potential is -1.66 V for Al³⁺/Al and -0.45 V for Fe²⁺/Fe.

What is the reduction half-reaction for the following overall cell reaction? Co²⁺(aq) + 2 Ag(s) → Co(s) + 2 Ag⁺(aq)

During an electrochemical reaction,electrons move through the external circuit toward the and positive ions in the cell move toward the .