A Cell Consists of a Magnesium Electrode Immersed in a Solution

question 45

Multiple Choice

A cell consists of a magnesium electrode immersed in a solution of magnesium chloride and a silver electrode immersed in a solution of silver nitrate.The two half-cells are connected by means of a salt bridge.It is possible to increase the voltage of the cell by

• A)decreasing the concentration of Mg²⁺ and increasing the concentration of Ag⁺.
• B)adding sodium chloride to both half-cells.
• C)increasing the size of the Mg electrode and decreasing the size of the Ag electrode.
• D)decreasing the size of the Mg electrode and increasing the size of the Ag electrode.
• E)increasing the concentration of Mg²⁺.

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