Calculating Standard Cell Potential and Spontaneity Quiz

Calculate the standard cell potential for the following reaction: Zn(s) + Cu2+(aq) -> Zn2+(aq) + Cu(s)

• 0.75 V

• 0.50 V

• 1.10 V

• 2.00 V

Determine the standard cell potential for the reaction: Fe(s) + 2Ag+(aq) -> Fe2+(aq) + 2Ag(s)

• 0.50 V

• 0.75 V

• 1.22 V

• 2.10 V

Find the standard cell potential for the reaction: 2Fe3+(aq) + 3Mn(s) -> 2Fe2+(aq) + 3Mn2+(aq)

• 0.75 V

• 2.34 V

• 3.21 V

• 1.49 V

Determine the spontaneity of the reaction: Zn(s) + Cu2+(aq) -> Zn2+(aq) + Cu(s) (E°cell = 1.10 V)

• Non-spontaneous

• Spontaneous

• Partially spontaneous

• Spontaneous only at high temperatures

Is the reaction Fe(s) + 2Ag+(aq) -> Fe2+(aq) + 2Ag(s) spontaneous? (E°cell = -0.36 V)

• Yes

• Maybe

• Not sure

• No