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

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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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
- 0.126
Sn
- 0.136
Ni
- 0.250
Co
- 0.277
Cd
- 0.403
Fe
- 0.440
Cr
- 0.744
Zn
- 0.763
- 1.662
- 2.363
- 2.714
- 2.924
Al
Mg
Na
K
A Manganese-Lead
B Sodium-Copper
Iron-Cadmium
D Chromium-Cobalt
Transcribed Image Text: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 - 0.126 Sn - 0.136 Ni - 0.250 Co - 0.277 Cd - 0.403 Fe - 0.440 Cr - 0.744 Zn - 0.763 - 1.662 - 2.363 - 2.714 - 2.924 Al Mg Na K A Manganese-Lead B Sodium-Copper Iron-Cadmium D Chromium-Cobalt
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