Reactivity 3.2.12—The hydrogen half-cell H+(aq) + e− ⇌12 H2(g) is assigned a standard electrode potential of zero by convention. It is used in the measurement of standard electrode potential, E⦵. Interpret standard electrode potential data in terms of ease of oxidation/reduction.
Description
[N/A]Directly related questions
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22N.1A.HL.TZ0.30:
The standard electrode potentials for three half-cells involving chromium are shown.
Cr3+ (aq) + e− Cr2+ (aq) E⦵ = −0.407 V
Cr3+ (aq) + 3e− Cr (s) E⦵ = −0.744 V
Cr2+ (aq) + 2e− Cr (s) E⦵ = −0.914 V
Which statement is correct?
A. Cr3+ (aq) can oxidize Cr2+ (aq) but not Cr (s).
B. Cr3+ (aq) can oxidize Cr (s) but not Cr2+ (aq).
C. Cr3+ (aq) can oxidize both Cr2+ (aq) and Cr (s).
D. Cr3+ (aq) can oxidize Cr (s) and reduce Cr2+ (aq).
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22N.1A.HL.TZ0.30:
The standard electrode potentials for three half-cells involving chromium are shown.
Cr3+ (aq) + e− Cr2+ (aq) E⦵ = −0.407 V
Cr3+ (aq) + 3e− Cr (s) E⦵ = −0.744 V
Cr2+ (aq) + 2e− Cr (s) E⦵ = −0.914 V
Which statement is correct?
A. Cr3+ (aq) can oxidize Cr2+ (aq) but not Cr (s).
B. Cr3+ (aq) can oxidize Cr (s) but not Cr2+ (aq).
C. Cr3+ (aq) can oxidize both Cr2+ (aq) and Cr (s).
D. Cr3+ (aq) can oxidize Cr (s) and reduce Cr2+ (aq).
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19M.1A.SL.TZ1.31:
Which is not a requirement of the standard hydrogen electrode (SHE)?
A. V = 1 dm3
B. p(H2) = 100 kPa
C. use of platinum as the electrode material
D. [H3O+] = 1 mol dm−3
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19M.1A.SL.TZ1.31:
Which is not a requirement of the standard hydrogen electrode (SHE)?
A. V = 1 dm3
B. p(H2) = 100 kPa
C. use of platinum as the electrode material
D. [H3O+] = 1 mol dm−3
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19M.1A.SL.TZ1.31:
Which is not a requirement of the standard hydrogen electrode (SHE)?
A. V = 1 dm3
B. p(H2) = 100 kPa
C. use of platinum as the electrode material
D. [H3O+] = 1 mol dm−3
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19M.1A.SL.TZ1.31:
Which is not a requirement of the standard hydrogen electrode (SHE)?
A. V = 1 dm3
B. p(H2) = 100 kPa
C. use of platinum as the electrode material
D. [H3O+] = 1 mol dm−3
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19M.1A.HL.TZ2.30:
Consider the following table of standard electrode potentials.
Which is the strongest oxidizing agent?
A. Pb2+
B. Pb
C. Al3+
D. Al
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19M.1A.HL.TZ2.30:
Consider the following table of standard electrode potentials.
Which is the strongest oxidizing agent?
A. Pb2+
B. Pb
C. Al3+
D. Al
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19M.1A.HL.TZ2.30:
Consider the following table of standard electrode potentials.
Which is the strongest oxidizing agent?
A. Pb2+
B. Pb
C. Al3+
D. Al
-
19M.1A.HL.TZ2.30:
Consider the following table of standard electrode potentials.
Which is the strongest oxidizing agent?
A. Pb2+
B. Pb
C. Al3+
D. Al
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21N.2.HL.TZ0.8:
The standard electrode potential of zinc can be measured using a standard hydrogen electrode (SHE).
Draw and annotate the diagram to show the complete apparatus required to measure the standard electrode potential of zinc.
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21N.2.HL.TZ0.8:
The standard electrode potential of zinc can be measured using a standard hydrogen electrode (SHE).
Draw and annotate the diagram to show the complete apparatus required to measure the standard electrode potential of zinc.
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21N.2.HL.TZ0.8:
The standard electrode potential of zinc can be measured using a standard hydrogen electrode (SHE).
Draw and annotate the diagram to show the complete apparatus required to measure the standard electrode potential of zinc.
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21N.2.HL.TZ0.8:
The standard electrode potential of zinc can be measured using a standard hydrogen electrode (SHE).
Draw and annotate the diagram to show the complete apparatus required to measure the standard electrode potential of zinc.
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22N.1A.HL.TZ0.30:
The standard electrode potentials for three half-cells involving chromium are shown.
Cr3+ (aq) + e− Cr2+ (aq) E⦵ = −0.407 V
Cr3+ (aq) + 3e− Cr (s) E⦵ = −0.744 V
Cr2+ (aq) + 2e− Cr (s) E⦵ = −0.914 V
Which statement is correct?
A. Cr3+ (aq) can oxidize Cr2+ (aq) but not Cr (s).
B. Cr3+ (aq) can oxidize Cr (s) but not Cr2+ (aq).
C. Cr3+ (aq) can oxidize both Cr2+ (aq) and Cr (s).
D. Cr3+ (aq) can oxidize Cr (s) and reduce Cr2+ (aq).
-
22N.1A.HL.TZ0.30:
The standard electrode potentials for three half-cells involving chromium are shown.
Cr3+ (aq) + e− Cr2+ (aq) E⦵ = −0.407 V
Cr3+ (aq) + 3e− Cr (s) E⦵ = −0.744 V
Cr2+ (aq) + 2e− Cr (s) E⦵ = −0.914 V
Which statement is correct?
A. Cr3+ (aq) can oxidize Cr2+ (aq) but not Cr (s).
B. Cr3+ (aq) can oxidize Cr (s) but not Cr2+ (aq).
C. Cr3+ (aq) can oxidize both Cr2+ (aq) and Cr (s).
D. Cr3+ (aq) can oxidize Cr (s) and reduce Cr2+ (aq).