Transcript Document

Electrochemistry
Lesson 2
Strength of Oxidizing
Agent Lab
Oxidation Agents Lab Notes
Spontaneous Reactions: Sn(s) +Au(NO3)3(aq)
Oxidation Agents Lab Notes
Spontaneous Reactions: Sn(s) +Au(NO3)3(aq)
Sn(s)

Sn2+ +
2e-
Oxidation Agents Lab Notes
Spontaneous Reactions: Sn(s) +Au(NO3)3(aq)
Sn(s)
Au3+ +

3e-
Sn2+ +

Au(s)
2e-
Oxidation Agents Lab Notes
Spontaneous Reactions: Sn(s) +Au(NO3)3(aq)
3(Sn(s)
2(Au3++

3e-
Sn2+ +

Au(s))
2e-)
Oxidation Agents Lab Notes
Spontaneous Reactions: Sn(s) +Au(NO3)3(aq)
3(Sn(s)
2(Au3++
3Sn(s) +

3e-
2Au3+
Sn2+ +


2e-)
Au(s))
3Sn2+ + 2Au(s)
Oxidation Agents Lab Notes
Spontaneous Reactions: Sn(s) +Au(NO3)3(aq)
3(Sn(s)
2(Au3++
3Sn(s) +

3e-
2Au3+
Sn2+ +


2e-)
Au(s))
3Sn2+ + 2Au(s)
Circle each oxidizing agent.
Oxidation Agents Lab Notes
Spontaneous Reactions: Sn(s) +Au(NO3)3(aq)
3(Sn(s)
2(Au3++
3Sn(s) +

3e-
2Au3+
Sn2+ +


2e-)
Au(s))
3Sn2+ + 2Au(s)
Circle each oxidizing agent.
Oxidation Agents Lab Notes
Spontaneous Reactions: Sn(s) +Au(NO3)3(aq)
3(Sn(s)
2(Au3++
3Sn(s) +

3e-
2Au3+
Sn2+ +


2e-)
Au(s))
3Sn2+ + 2Au(s)
The products are favoured in this reaction as it is spontaneous
and the strongest oxidizing is on the left.
Oxidation Agents Lab Notes
Spontaneous Reactions: Sn(s) +Au(NO3)3(aq)
3(Sn(s)
2(Au3++
3Sn(s) +

3e-
2Au3+
Sn2+ +


2e-)
Au(s))
3Sn2+ + 2Au(s)
The products are favoured in this reaction as it is spontaneous
and the strongest oxidizing is on the left.
Oxidation Agents Lab Notes
Nonspontaneous Reactions:
Sn(s) +
Zn(NO3)2(aq)
Oxidation Agents Lab Notes
Nonspontaneous Reactions:
Sn(s) +
Zn2+
Sn(s) +
Zn(NO3)2(aq)
Oxidation Agents Lab Notes
Nonspontaneous Reactions:
Sn(s) +
Zn2+
Sn(s) +
Zn(NO3)2(aq)
Oxidation Agents Lab Notes
Nonspontaneous Reactions:
Sn(s) +
Zn2+
Sn(s) +
Zn(NO3)2(aq)
Oxidation Agents Lab Notes
Nonspontaneous Reactions:
Sn(s) +
Zn2+
Circle each oxidizing agent
Sn(s) +
Zn(NO3)2(aq)
Sn2+ +
Zn(s)
Oxidation Agents Lab Notes
Nonspontaneous Reactions:
Sn(s) +
Zn2+
Circle each oxidizing agent
Sn(s) +
Zn(NO3)2(aq)
Sn2+ +
Zn(s)
Oxidation Agents Lab Notes
Nonspontaneous Reactions:
Sn(s) +
Zn2+
Sn(s) +
Zn(NO3)2(aq)
Sn2+ +
Zn(s)
Circle each oxidizing agent
the strongest oxidizing agent is on the right for a
non-spontaneous reaction
Rank the oxiizing agents from strongest to weakest
Au3+
Sn2+
Zn2+