Question

Consider an electrochemical cell, starting with standard state conditions, based on the following reaction. 2 H*(aq)+ Cd(s) Cd2+(aq) H2g) Ecell 0.40v Which of the following actions would increase the measured cell potential? Reducing the [H] in the hydrogen cell O Increasing the mass of the solid Cd electrode Reducing the Cdion concentration O Increasing the pressure of hydrogen gas in the hydrogen cell O None of these

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Answer #1

Answer is none of this

Explanation:- If you increase the concentration of one of the electrolyte solutions, you increase the number of cations and anions (depending upon which electrolyte you increase), thus increasing the voltage potential of the cell.

So that to increase potential of cell we need to increase concentration Cd 2+ ion concentration & decrease H+ ion so make difference in cell is increase & increase concentration

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