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General Chemistry

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The Activity Series: Metal Displacement Reactions

CHEM-MJCNRE

Which of the following reactions can happen?

A

$Mg(s)\space +\space { Zn }^{ 2+ }(aq)\space \longrightarrow \space { Mg }^{ 2+ }(aq)\space +\space Zn(s)$

B

$Cu(s)\space +\space { Fe }^{ 2+ }(aq)\space \longrightarrow \space { Cu }^{ 2+ }(aq)\space +\space Fe(s)$

C

$Fe(s)\space +\space { Al }^{ 3+ }(aq)\space \longrightarrow \space { Fe }^{ 3+ }(aq)\space +\space Al(s)$

D

$3Fe(s)\space +\space 2{ Al }^{ 3+ }(aq)\space \longrightarrow \space 3{ Fe }^{ 2+ }(aq)\space +\space 2Al(s)$