Which, if any, of the following three metals could be used as sacrificial anodes for protection of a metal with E-0.62 V? (All E values refer to the M/M half-cell reactions.) (1) gold, Au, E- +1.50 V (2) chromium, Cr, E-0.74 V (3) aluminum, Al, E--1.66 V All three of them could be used. None of them could be used. O Only (2) and (3) could be used. O Only (1) and (2) can be used. O Only (3) could be used.
Which, if any, of the following three metals could be used as sacrificial anodes for protection of a metal with E-0.62 V? (All E values refer to the M/M half-cell reactions.) (1) gold, Au, E- +1.50 V (2) chromium, Cr, E-0.74 V (3) aluminum, Al, E--1.66 V All three of them could be used. None of them could be used. O Only (2) and (3) could be used. O Only (1) and (2) can be used. O Only (3) could be used.
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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![Which. if any, of the following three metals could be used as sacrificial anodes for protection of a metal with E--0.62 V? (All E values
refer to the M3/M half-cell reactions.)
(1) gold, Au, E +1.50 V
(2) chromium, Cr. E- -0.74 V
(3) aluminum, Al, E--1.66 V
O All three of them could be used.
None of them could be used.
O Only (2) and (3) could be used.
O Only (1) and (2) can be used.
O Only (3) could be used.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5d31b684-56d3-49d8-941d-ff1ae81c0f81%2F194f69be-ad42-4bb7-a590-1b82c7579a1a%2Feuprce_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Which. if any, of the following three metals could be used as sacrificial anodes for protection of a metal with E--0.62 V? (All E values
refer to the M3/M half-cell reactions.)
(1) gold, Au, E +1.50 V
(2) chromium, Cr. E- -0.74 V
(3) aluminum, Al, E--1.66 V
O All three of them could be used.
None of them could be used.
O Only (2) and (3) could be used.
O Only (1) and (2) can be used.
O Only (3) could be used.
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