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Question
Download Solution PDFWhich of the following statement is correct?
- ECell and ∆rG of cell reaction both are extensive properties.
- ECell and ∆rG of cell reaction both are intensive properties.
- ECell is an intensive property while ∆rG of cell reaction is an extensive property.
- ECell is an extensive property while ∆rG of cell reaction is an intensive property.
Answer (Detailed Solution Below)
Option 3 : ECell is an intensive property while ∆rG of cell reaction is an extensive property.
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Detailed Solution
Download Solution PDFCONCEPT:
Intensive and Extensive Properties
- Intensive properties are those that do not depend on the amount of matter or the size of the system. Examples include temperature, density, and cell potential (Ecell).
- Extensive properties are those that do depend on the amount of matter or the size of the system. Examples include mass, volume, and Gibbs free energy change (∆rG) of the cell reaction.
EXPLANATION:
- The cell potential (Ecell) is an intensive property because it is a measure of the potential difference between two electrodes, and it does not depend on the amount of material in the system.
- The Gibbs free energy change (∆rG) of the cell reaction is an extensive property because it depends on the amount of reactants and products in the reaction.
Therefore, the correct statement is: Ecell is an intensive property while ∆rG of cell reaction is an extensive property.
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