Use the following half reactions Fe e > Fe E- 0.771 V +e > V. E 0.255 V to write the equation and E for a galvanic cell a Fel > Fe v E 0516 V b. Fel V > Fe+ V • W. E 1.026 V C Fe . v. > Fel • W. E 0516 V d. Fe . V Fe V E 1.026 V
Use the following half reactions Fe e > Fe E- 0.771 V +e > V. E 0.255 V to write the equation and E for a galvanic cell a Fel > Fe v E 0516 V b. Fel V > Fe+ V • W. E 1.026 V C Fe . v. > Fel • W. E 0516 V d. Fe . V Fe V E 1.026 V
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
6
Transcribed Image Text:In the reaction
Co3. + Cu* ==> Co* + Cu2*
Knowing that
Cu2* + e ==> Cu*
E°= 0.15 V
Co3 + e ==> Co2
E= 1.82 V
And Hydrogen reference electrode was used.
If 25 ml of 0.1 M Cu* was titrated against 0.2 M of Co, the E for this reaction upon adding 10
mL of Co* is:
Ca.
1.79 V
O b. 0.21 V
Oc 1.15 V
d. 0,12 V
Use the following half reactions
2
Fe + e => Fe
E°- 0.771 V
v. + e se> V*
E°. 0.255 V
to write the equation and E for a galvanic cll
a. Fe + v > Fe+ v
E° 0516 V
b. Fe. v > Fe + v
E°- 1.026 V
C Fe*+ v => Fe+ Vv
E 0.516 V
d. Fe+ v => Fe. v
E 1.026 V
In the reaction
Co* + Cu* ==> Co? + Cu*
Knowing that
Cu* + e ==> Cu*
E= 0.15 V
Co* +e ==> Co*2
E- 1.82 V
And Hydrogen reference electrode was used.
If 25 ml of 0.1M Cu* was titrated against 0.2 M of Co, the E for this reaction upon adding 15
ml of Co* is:
O a. 0.20 V
O b. 1.92 V
O. 1.78 V
Which of the following statements is incorrect
4
Oa.
Elements of greater positive reduction potential gets to be reduced
O b. Positive E° of a cell implies a non-spontaneous reaction
O c. In a galvanic cell the electron Flow is always from anode to cathode
O d. In a galvanic cell the anode may appeag to become smaller after a period of time
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