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As the cell given below operates, the strip of silver gains mass (only silver) and the concentration of silver ions in the solution around the silver strip decreases, while the strip of lead loses mass and the concentration of lead increases in the solution around the lead strip. Which of the following represents the reaction that occurs at the negative electrode in the above cell? Pb / Pb(NO3)2 (1.0 M) || AgNO3 (1.0 M) / Ag



Answer :

Answer:

The reaction that occurs at the negative electrode in the cell is:

Ag⁺(aq) + e⁻ → Ag(s)

Explanation:

This is a reduction reaction, where silver ions (Ag⁺) gain an electron (e⁻) to become neutral silver atoms (Ag). As the reaction proceeds, silver atoms deposit on the negative electrode, increasing its mass.

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