Author Question: A galvanic cell consists of a left compartment with a tin electrode in contact with 0.1 M ... (Read 69 times)

ishan · **on:** Mar 21, 2021

A galvanic cell consists of a left compartment with a tin electrode in contact with 0.1 M Sn(NO₃)₂(aq) and a right compartment with a lead electrode in contact with 1 × 10^–3M Pb(NO₃)₂(aq). The relevant reduction potentials are:
Pb²⁺ + 2e^–

Pb E° = –0.13 V
Sn²⁺ + 2e^–

Sn E° = –0.14 V
When this cell is allowed to discharge spontaneously at 25°C, which of the following statements is true?

◦ Electrons will flow from left to right through the wire.
◦ Pb²⁺ ions will be reduced to Pb metal.
◦ The concentration of Sn²⁺ ions in the left compartment will increase.
◦ The tin electrode will be the cathode.
◦ No noticeable change will occur, because the cell is at equilibrium.

johnharpe · **Reply #1 on:** Mar 21, 2021

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