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In the correct equation for the reaction of a strip of Ni(s) dipped in 1 M...

In the correct equation for the reaction of a strip of Ni(s) dipped in 1 M CuSO4, the formula for the reducing agent is: Ni2+ Cu Cu2+ Ni H2O

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Answer #1

Ni(s) + CuSO4(aq) --------> NiSO4(aq) + Cu(s)

Ni(s) + Cu+2 (aq) + So42- (aq) -------> Ni+2 (aq) + So42- (aq) + Cu(s)

removal of spectator ions

Ni(s) + Cu+2 (aq) --------> Ni+2 (aq)+ Cu(s)

Ni(s) ---------> Ni+2 + 2e- oxidation half reaction

A substanace participate in oxidation reaction is called reducing agent.

Ni is reducing agent

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