Which of the following statements is CORRECT?Standard ReductionPotential (in volts)Mg2*/Mg-2.37Zn2*/Zn-0.76Fe2*/Fe-0.44Sn2*/Sn-0.14Cu2*/Cu+0.34Ag+ /Ag+0.80Select one:O a. Zn can displace Mg*2 ions in aqueous solution producing Mg solids.O b. Among the given metals, the best reducing agent is Ag.O c. Ag can displace Zn*2 ions in aqueous solution producing Zn solids.O d. Sn can be used as a sacrificial anode to prevent corrosion of Fe.O e. Among the given metals, the best reducing agent is Mg.

Reducing agent is that which reduces the other and oxidise itself.

Which of the following statements is CORRECT? Standard Reduction Potential (in volts) Mg2*/Mg -2.37 Zn2*/Zn -0.76 Fe2*/Fe -0.44 Sn2*/Sn -0.14 Cu2*/Cu +0.34 Ag+ /Ag +0.80 Select one:

Which of the following statements is CORRECT? Standard Reduction Potential (in volts) Mg2/Mg -2.37 Zn2/Zn -0.76 Fe2/Fe -0.44 Sn2/Sn -0.14 Cu2*/Cu +0.34 Ag+ /Ag +0.80 Select one:

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter24: Coulometry

Section: Chapter Questions

Problem 24.2QAP: Calculate the minimum difference in standard electrode potentials needed to lower the concentration...

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Question

Which of the following statements is CORRECT?
Standard Reduction
Potential (in volts)
Mg2*/Mg
-2.37
Zn2*/Zn
-0.76
Fe2*/Fe
-0.44
Sn2*/Sn
-0.14
Cu2*/Cu
+0.34
Ag+ /Ag
+0.80
Select one:
O a. Zn can displace Mg*2 ions in aqueous solution producing Mg solids.
O b. Among the given metals, the best reducing agent is Ag.
O c. Ag can displace Zn*2 ions in aqueous solution producing Zn solids.
O d. Sn can be used as a sacrificial anode to prevent corrosion of Fe.
O e. Among the given metals, the best reducing agent is Mg.

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