A electrolytic cell operating under standard conditions (1.0 M lon concentrations) utilizes the following reaction: 2 A(ag) +3 NI(s) 2 Al(s) + 3 N(aa) What is the effect on the cell emf of each of the following changes? (a) Water is added to the cathode compartment, diluting the solution. The positive cell emf rises, becoming more positive. OThe positive cell emf drops closer to zero. O The negative cell emf rises closer to zero. The negative cell emf drops, becoming more negative. ONo change in cell emf occurs. (b) The size of the nickel electrode is increased. The positive cell emf rises, becoming more positive. The positive cell emf drops closer to zero. O The negative cell emf rises closer to zero. O The negative cell emf drops, becoming more negative.

A electrolytic cell operating under standard conditions (1.0 M lon concentrations) utilizes the following reaction: 2 A(ag) +3 NI(s) 2 Al(s) + 3 N(aa) What is the effect on the cell emf of each of the following changes? (a) Water is added to the cathode compartment, diluting the solution. The positive cell emf rises, becoming more positive. OThe positive cell emf drops closer to zero. O The negative cell emf rises closer to zero. The negative cell emf drops, becoming more negative. ONo change in cell emf occurs. (b) The size of the nickel electrode is increased. The positive cell emf rises, becoming more positive. The positive cell emf drops closer to zero. O The negative cell emf rises closer to zero. O The negative cell emf drops, becoming more negative.

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter17: Electrochemistry

Section: Chapter Questions

Problem 77AP

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