Question

In an electrochemical cell, q = 0.0010 and k = 0.10. what can you conclude about ecell and e∘cell? in an electrochemical cell, = 0.0010 and = 0.10. what can you conclude about and ? both ecell and e∘cell are negative. ecell is negative and e∘cell is positive both ecell and e∘cell are positive. ecell is positive and e∘cell is negative.

Answer 1

If there is electrochemical cell where Q = 0.0010 and K = 0.10 then the truth about Ecell and E°cell is,
Ecell is positive and E°cell is negative.
E° = (RT/nF) InQ = (RT/nF) × In(K/Q) = Positive.
Since ( K/Q) = 100 then In(K/Q) = positive

Answer 2

In an electrochemical cell, where q = 0.0010 and k = 0.10 then the ecell is positive and e∘cell is negative.

Option (D) is correct.

What is an electrochemical cell ?

• An electrochemical cell is a device that may produce electrical energy from chemical reactions or use electrical energy to initiate chemical reactions.

• The galvanic, or voltaic, cell, named after Luigi Galvani and Alessandro Volta, is an example of this type of cell.

• The electrochemical cell consist of four parts:

• Anode: where oxidation occurs.

• Cathode: where reduction occurs.

• External pathways to allow the flow of electrode.

• Salt bridge or porous bridge.

• Electrolysis is a way of using a direct electric current (DC) to drive an otherwise non-spontaneous chemical reaction in chemistry and manufacturing.

Thus, the correct option is (D),  e cell will be positive and e∘cell will be negative.

Learn more about electrochemical cell, here:

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