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Question

now.com/arnltakeAssignment/takecovalentActivity.do? ocator assignment-take&takeAssignmentSessionLocatoreassignment; important values ir ended for this questdea. Use the References Consider the following halfreactions: lance GM..1 pts Cu(s) 0.337V (aq) 2e 763V 1 pts 2req enter formula The strongest oxidizing agent is: s and C, 2) The weakest oxidizing agent is: 1 pts 2req o) The weakest reducing agent is: 1 pts 2req (4) The strongest reducing agent is: 1 pts 2req (s) will z (6) Which species can be oxidized by Cu oaqy? none,leave box blank.

Explanation / Answer

E0 values are the standard reduction potentials which is a measure of how easily a substance gets reduced. A substance which shows a tendency to get reduced is an oxidizing agent. Therefore, more positive the value of E0, the stronger the oxidizing agent. More negative, it becomes a strong reducing agent. from the given E0 values:

1. strongest oxidizing agent = F2

2. weakest oxidizing agent = Zn2+

3. weakest reducing agent = F-

4. strongest reducing agent = Zn

5. No. Zn2+ is a weak oxidizing agent ( negative E0, lower than F2). It will not be able to accept the 2e- formed as a result of the oxidation of F2 to F-

6. Zn can be oxidised by Cu2+, since it has a lower reduction potential E0 value than Cu2+

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