Question

Mn(s) + Ni2+(aq) ⇒ Mn2+(aq) + Ni(s)

Label the half reactions as either oxidation or reduction!
Label which reaction occurs at the cathode and which occurs at the anode!
Be sure to write out the entire half reaction!

Answer 1

Answer:

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Answer 2

Answer:

Mn ⇒ Mn2+ is oxidation

because the oxidation state is increasing from 0 to +2

Increase of oxidation state is Oxidation process

Ni+2 ⇒ Ni is reduction

because the oxidation state is decreasing from +2 to 0

Decrease of oxidation state is reduction process

Oxidation occurs at anode

hence Mn ⇒ Mn2+  occurs at anode

Reduction occurs at cathode

hence Ni+2 ⇒ Ni occurs at cathode

Hope it helps

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