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A voltaic cell is prepared where copper metal is oxidized to copper(II) and silver(1) is reduced to silver metal. Which of the following reactions occurs at the anode? A) 2 Cu(s) → 2 Cu2+(aq) + e B) Cu2+(aq) + 2e - Cu(s) C) Cu(s) → Cu2+(aq) + 2e D) Ag (aq) + e → Ag(s) E) Ag(s) → Agt(aq) + e

Respuesta :

According to the given statement The reaction which occurs at the anode is Cu(s) → Cu2+ (aq) + 2e-.

How does an voltaic cell work?

Galvanic (or voltaic) cells produce an electric current through a redox process that is thermodynamically favorable. Each half-reaction occurs in its own compartment, or half-cell, which also contains an electrode. The anode is the electrodes where oxidation takes place, and the cathode is the electrodes where reduction takes place.

Where are voltaic cells used?

A redox reaction results in the production of electricity via a voltaic cell. The half reactions' reduction potentials can be used to calculate the voltage of the a voltaic cell. Batteries are made from voltaic cells and are a practical way to store electricity.

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