Explain the correctly balanced equation for the reaction

Reference no: EM13244978

A voltaic cell is prepared in which aluminum metal is oxidized to Al3+, and nickel(II) is reduced to nickel metal. Which of the following represents the correctly balanced equation for this reaction?

Answer

Al(s) + Ni2+(aq) ? Al3+(aq) + Ni(s)

Al(s) + 2Ni2+(aq) ? Al3+(aq) + 2Ni(s)

2Al(s) + 3Ni2+(aq) ? 2Al3+(aq) + 3Ni(s)

Al3+(aq) + 2Ni(s) ? Al(s) + 2Ni2+(aq)

2Al3+(aq) + 3Ni(s) ? 2Al(s) + 3Ni2+(aq)

Reference no: EM13244978

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