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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![2. Consider the Latimer diagram for phosphorus in acidic and basic solutions at 25 °C.
Acidic solution
H3PO4
-0.93
Basic solution
PO4³-
H4P₂O6
-0.28
a
HPO3²-
-1.35
H3PO3
-1.49
-1.57
b
H₂PO₂
H₂PO₂2
-0.50
y
-0.51
P
-1.18
-0.06
PH3
PH3
A. Complete the missing standard reduction potentials (a, b and c) for the Latimer diagram in acidic
solution.
B. Complete the missing standard reduction potentials (x, y and z) for the Latimer diagram in basic
solution.
C. Consider the redox reaction shown below in basic solution at 25 °C.
HPO32- (aq) )+ PH3(g) ₹ 2 P(s) + 2 OH (aq) + H₂O(1)
(i) Write the balanced equation for the cathode half-reaction and calculate the Eºred-
(ii) Write the balanced equation for the anode half-reaction and calculate the Eºox.
(iii) Calculate the Eᵒcell and AG for the given redox reaction.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0c6864ed-d5c9-46db-a57c-29b65c0abc90%2Fe8f0bef4-3a11-47d9-b94b-0bb4e24fbccf%2Ftcifj8m_processed.png&w=3840&q=75)
Transcribed Image Text:2. Consider the Latimer diagram for phosphorus in acidic and basic solutions at 25 °C.
Acidic solution
H3PO4
-0.93
Basic solution
PO4³-
H4P₂O6
-0.28
a
HPO3²-
-1.35
H3PO3
-1.49
-1.57
b
H₂PO₂
H₂PO₂2
-0.50
y
-0.51
P
-1.18
-0.06
PH3
PH3
A. Complete the missing standard reduction potentials (a, b and c) for the Latimer diagram in acidic
solution.
B. Complete the missing standard reduction potentials (x, y and z) for the Latimer diagram in basic
solution.
C. Consider the redox reaction shown below in basic solution at 25 °C.
HPO32- (aq) )+ PH3(g) ₹ 2 P(s) + 2 OH (aq) + H₂O(1)
(i) Write the balanced equation for the cathode half-reaction and calculate the Eºred-
(ii) Write the balanced equation for the anode half-reaction and calculate the Eºox.
(iii) Calculate the Eᵒcell and AG for the given redox reaction.
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