Multiple Choice
What are the two half reactions that show how many electrons are gained or lost by each species in the reaction: Ni2+(aq) + Mg(s) → Ni(s) + Mg2+(aq) ?
A) Ni2+(aq) + e- → Ni(s) and Mg(s) → Mg2+(aq) + e-
B) Ni2+(aq) + 2 e- → Ni(s) and Mg(s) → Mg2+(aq) + 2 e-
C) Ni2+(aq) → Ni(s) + 2 e- and Mg(s) + 2 e- → Mg2+(aq)
D) Ni2+(aq) → Ni(s) + e- and Mg(s) + e- → Mg2+(aq)
E) Ni2+(aq) + 2 e- → Ni(s) and Mg(s) + 2 e- → Mg2+(aq)
Correct Answer:

Verified
Correct Answer:
Verified
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