Homework Answers
Solution:
A) Strong oxidizing agent = Cl2
Because the reduction potential is more positive, hence it is easily reduced, therefore posses strong oxidizing power.
B) Potential for ClO3- to OCl-:
It is obtained by addition of potentials as,
ClO3- = ClO2-, E°= 0.35 V
ClO2- = OCl- , E°= 0.65 V
E°= 0.35 + 0.65 = 1.00 V
C) Cl2 undergoes disproportionation reaction becuase it is oxidised and reduced in the reactions.
Cl2 (0) = OCl- (+1) ---oxidatiom
Cl2(0) = Cl- (-1) ------(reduction)
Use the information, below, to answer the next two (2) questions. Half-reaction (V) Cl2 + 2e + 2 C1° 1.36 Ag+ + e - Ag...
Use the information, below, to answer the next two (2) questions. Half-reaction (V) Cl2 + 2e + 2 C1° 1.36 Ag+ + e - Ag 0.80 Fe3+ + e + Fe2+ 0.77 Cu2+ + 2e - Cu 0.34 Ni2+ + 2e → Ni -0.25 A13+ + 3e + Al -1.66 (1) Which of the following species will oxidize Ni but not Ag? Cl2 O A13+ O Cu2+ O Cu Fe2+ Submit Answer Tries 0/2 (ii) Which of the following is...
Consider the following half-reactions: Half-reaction E° (V) Cl2(g) + 2e - →2Cl(aq) 1.360V Ni2+(aq) + 2e...
Consider the following half-reactions: Half-reaction E° (V) Cl2(g) + 2e - →2Cl(aq) 1.360V Ni2+(aq) + 2e Ni(s) -0.250V Mg- (aq) + 2e → Mg(s) -2.370v (1) The weakest oxidizing agent is: enter formula (2) The strongest reducing agent is: (3) The strongest oxidizing agent is: (4) The weakest reducing agent is: (5) Will Cl(aq) reduce Mg2+(aq) to Mg(s)? (6) Which species can be reduced by Ni(s)? If none, leave box blank.
1)Consider the following half-reactions: Half-reaction E° (V) Cl2(g) + 2e- > 2Cl-(aq) 1.360V Cd2+(aq) + 2e-...
1)Consider the following half-reactions: Half-reaction E° (V) Cl2(g) + 2e- > 2Cl-(aq) 1.360V Cd2+(aq) + 2e- > Cd(s) -0.403V Al3+(aq) + 3e- > Al(s) -1.660 The strongest oxidizing agent is: _______ enter formula The weakest oxidizing agent is: _______ The weakest reducing agent is: _______ The strongest reducing agent is: _______ Will Al3+(aq) reduce Cl2(g) to Cl-(aq)? _____yes or no Which species can be reduced by Cd(s)? If none, leave box blank. 2) Use the table 'Standard Reduction Potentials' located...
(a) What is the reduction potential of the half reaction in which V2+ is reduced to...
(a) What is the reduction potential of the half reaction in
which V2+ is reduced to V?
(b) Give the balanced half equation and accompanying E° value
for the reduction half-reaction with the largest (most positive) E°
value that involves a pair of species indicated in the Frost
diagram.
(c) Indicate which species, if any, will undergo
disproportionation.
(d) Give the balanced reduction half-equation and accompanying
E° value for the reduction of VO2+ to V2+.
(e) In the Pourbaix diagram...
For all of the following experiments, under standard conditions, which species could be spontaneously produced? A...
For all of the following
experiments, under standard conditions, which species could be
spontaneously produced?
A lead wire is placed in a solution containing
Cu2+
yes no Cu
yes no PbO2
yes no No reaction
Crystals of I2 are added to a solution of
NaCl.
yes no I-
yes no No reaction
yes no Cl2
A silver wire is placed in a solution containing
Cu2+
no yes Cu
no yes No reaction
no yes Ag+
Half-Reaction 8° (V) Half-Reaction 8° (V) 2.87 1.99 1.82 1.78 1.70 1.69 1.68 1.60...
i need help with all of these questions Chem 103A Electrochemistry 5. A voltaic cell is...
i need help with all of these questions
Chem 103A Electrochemistry 5. A voltaic cell is to be constructed using the Ag/Ag half cell and the Pb/Pb half-cell. Measurement shows that the silver electrode is positive. a) Write balanced half-reactions and the overall spontancous reaction, without using a table of half-cell potentials. b) Diagram the cell, labeling electrodes as anode and cathode, labeling the salt bridge, showing what ions are in solution, and showing the direction of electron flow in...
Find the best reducing agent from Cu+, Ag+ F2 and Fe3+ #1. In the reduction table...
Find the best reducing agent from Cu+, Ag+ F2 and Fe3+
#1. In the reduction table i can see several repeated values of
Fe3+ one is equal to 0.77v and the second one is equal to -0.036v
so, which one do I choose? Please explain.
#2.If I'm asked to find the best oxidation agent, from the
values already provided (Cu+, Ag+ F2 and Fe3+) which one would it
be? and how would I decide from repeated values, like in #1,...
Using standard reduction potential in aqueous solutions at 25c Table, which substance is most likely to...
Using standard reduction potential in aqueous solutions at 25c Table, which substance is most likely to be oxidised by O2 (g) in acidic aqueous solution? Select one: a. Br2 (l) b. Br- (aq) c. Ni2+ (aq) d. Ag (s) e. Cu2+ (aq) Cathode (Reduction) Half-Reaction Standard Potential E° (volts) Li+(aq) + e- -> Li(s) -3.04 K+(aq) + e- -> K(s) -2.92 Ca2+(aq) + 2e- -> Ca(s) -2.76 Na+(aq) + e- -> Na(s) -2.71 Mg2+(aq) + 2e- -> Mg(s) -2.38 Al3+(aq)...
please help answer question 4, a-f please using the data below from chart 1 objectives from...
please help answer question 4, a-f please
using the data below from chart 1
objectives from lab, thank you
DATA:CA y 3 Ay No3 Part I: Cell Potential of voltaic cells under standard conditions: cell CU CND2 #27 14.0m Give the half Half cell reaction at Combinations Oxidation Reduction E the anode and with [ion] takes place Theoretical takes place cathode. Write in M here here (V) above the arrow E c (V) if it is oxidation or reduction. |-0.340...
please do them all Choose 19. Choose best answer from drop-down menu: 3 points Calculate Ecell...
please
do them all
Choose 19. Choose best answer from drop-down menu: 3 points Calculate Ecell for the reaction 2 given the Ecell of reaction 1, Reaction 1: 2 Cr2+ + Cl2(g) → 2Cr3+ + 2C1 Reaction 2: Cr3+ + CH → Cr2+ + 1/2 Cl2(g) Ecell = 1.78 V Ecell = ? Choose 20. Choose best answer from drop-down menu: 2 points Consider the following standard reduction potentials in acid solution: E°(V) AP+ + 3e → Als) -1.66 AgBro+e...
Use the information, below, to answer the next two (2) questions. Half-reaction (V) Cl2 + 2e + 2 C1° 1.36 Ag+ + e - Ag 0.80 Fe3+ + e + Fe2+ 0.77 Cu2+ + 2e - Cu 0.34 Ni2+ + 2e → Ni -0.25 A13+ + 3e + Al -1.66 (1) Which of the following species will oxidize Ni but not Ag? Cl2 O A13+ O Cu2+ O Cu Fe2+ Submit Answer Tries 0/2 (ii) Which of the following is...
Consider the following half-reactions: Half-reaction E° (V) Cl2(g) + 2e - →2Cl(aq) 1.360V Ni2+(aq) + 2e Ni(s) -0.250V Mg- (aq) + 2e → Mg(s) -2.370v (1) The weakest oxidizing agent is: enter formula (2) The strongest reducing agent is: (3) The strongest oxidizing agent is: (4) The weakest reducing agent is: (5) Will Cl(aq) reduce Mg2+(aq) to Mg(s)? (6) Which species can be reduced by Ni(s)? If none, leave box blank.
(a) What is the reduction potential of the half reaction in
which V2+ is reduced to V?
(b) Give the balanced half equation and accompanying E° value
for the reduction half-reaction with the largest (most positive) E°
value that involves a pair of species indicated in the Frost
diagram.
(c) Indicate which species, if any, will undergo
disproportionation.
(d) Give the balanced reduction half-equation and accompanying
E° value for the reduction of VO2+ to V2+.
(e) In the Pourbaix diagram...
For all of the following
experiments, under standard conditions, which species could be
spontaneously produced?
A lead wire is placed in a solution containing
Cu2+
yes no Cu
yes no PbO2
yes no No reaction
Crystals of I2 are added to a solution of
NaCl.
yes no I-
yes no No reaction
yes no Cl2
A silver wire is placed in a solution containing
Cu2+
no yes Cu
no yes No reaction
no yes Ag+
Half-Reaction 8° (V) Half-Reaction 8° (V) 2.87 1.99 1.82 1.78 1.70 1.69 1.68 1.60...
i need help with all of these questions
Chem 103A Electrochemistry 5. A voltaic cell is to be constructed using the Ag/Ag half cell and the Pb/Pb half-cell. Measurement shows that the silver electrode is positive. a) Write balanced half-reactions and the overall spontancous reaction, without using a table of half-cell potentials. b) Diagram the cell, labeling electrodes as anode and cathode, labeling the salt bridge, showing what ions are in solution, and showing the direction of electron flow in...
Find the best reducing agent from Cu+, Ag+ F2 and Fe3+
#1. In the reduction table i can see several repeated values of
Fe3+ one is equal to 0.77v and the second one is equal to -0.036v
so, which one do I choose? Please explain.
#2.If I'm asked to find the best oxidation agent, from the
values already provided (Cu+, Ag+ F2 and Fe3+) which one would it
be? and how would I decide from repeated values, like in #1,...
please help answer question 4, a-f please
using the data below from chart 1
objectives from lab, thank you
DATA:CA y 3 Ay No3 Part I: Cell Potential of voltaic cells under standard conditions: cell CU CND2 #27 14.0m Give the half Half cell reaction at Combinations Oxidation Reduction E the anode and with [ion] takes place Theoretical takes place cathode. Write in M here here (V) above the arrow E c (V) if it is oxidation or reduction. |-0.340...
please
do them all
Choose 19. Choose best answer from drop-down menu: 3 points Calculate Ecell for the reaction 2 given the Ecell of reaction 1, Reaction 1: 2 Cr2+ + Cl2(g) → 2Cr3+ + 2C1 Reaction 2: Cr3+ + CH → Cr2+ + 1/2 Cl2(g) Ecell = 1.78 V Ecell = ? Choose 20. Choose best answer from drop-down menu: 2 points Consider the following standard reduction potentials in acid solution: E°(V) AP+ + 3e → Als) -1.66 AgBro+e...
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