In which of the following pairs of metals forming electrochemical cells will the anode undergo the fastestcorrosion?EMF seriesVo"metal...metalAu+1.420 VCu+0.340PbSn- 0.126- 0.136- 0.250- 0.277- 0.403- 0.440- 0.744NiCoCdFeCr- 0.763- 1.662- 2.363- 2.714- 2.924ZnAlMgNaK If your base metal is Nickel, which among the following metals can act as a sacrificial anode for it?EMF seriesVometalmetalAu+1.420 VCu+0.340Pb- 0.126- 0.136- 0.250SnNiCo- 0.277Cd- 0.403Fe- 0.440CrZn- 0.744- 0.763- 1.662AlMg- 2.363Na- 2.714K- 2.924

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= forming electrochemical cell

Residential Construction Academy: House Wiring (MindTap Course List)

4th Edition

ISBN:9781285852225

Author:Gregory W Fletcher

Publisher:Gregory W Fletcher

Chapter1: Residential Workplace Safety

Section: Chapter Questions

Problem 16RQ: Direction: Circle T to indicate true statements or F to indicate false statements. Copper is not a...

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Question

In which of the following pairs of metals forming electrochemical cells will the anode undergo the fastest
corrosion?
EMF series
Vo
"metal
...
metal
Au
+1.420 V
Cu
+0.340
Pb
Sn
- 0.126
- 0.136
- 0.250
- 0.277
- 0.403
- 0.440
- 0.744
Ni
Co
Cd
Fe
Cr
- 0.763
- 1.662
- 2.363
- 2.714
- 2.924
Zn
Al
Mg
Na
K

If your base metal is Nickel, which among the following metals can act as a sacrificial anode for it?
EMF series
Vo
metal
metal
Au
+1.420 V
Cu
+0.340
Pb
- 0.126
- 0.136
- 0.250
Sn
Ni
Co
- 0.277
Cd
- 0.403
Fe
- 0.440
Cr
Zn
- 0.744
- 0.763
- 1.662
Al
Mg
- 2.363
Na
- 2.714
K
- 2.924

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