Below is a list of potential differences obtained when metals X, Y, Z, K and L are used in the following electrochemical cell. Metal(s)/metal ion (aq)//copper(ii)ions/copper.

      

Below is a list of potential differences obtained when metals X, Y, Z, K and L are used in the
following electrochemical cell.
Metal(s)/metal ion (aq)//copper(ii)ions/copper.

a) What is metal Z? Explain.
(b) Which two of the above metals in an electrochemical cell would produce the largest
electromotive force across the cell? What is this electromotive force?
(c) Write the cell equation of the pair of metals that will produce the largest potential
difference.
(d) Write the cell equation of the pair of metals that will produce the largest negative potential
difference. Determine this voltage.

  

Answers

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(a) Z is copper metal, is the reference electrode whose standard electrode is 0 volts
(b) X and Y metals

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sharon kalunda answered the question on May 20, 2019 at 06:36

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