
Concept explainers
(a)
Interpretation: The oxidizing agent and the reducing agent needs to be identified and the direction of electron flow needs to be explained.
Concept Introduction: Oxidizing agent accepts and electron and get reduced, i.e., it oxidizes other substances
Reducing agent loses an electron and get oxidized, i.e., it reduces other substances.
Standard cell potential is the potential of a cell under standard condition, with taken as 1 M conc., Pressure= 1 atm, temperature=
(b)
Interpretation: The standard cell potential needs to be determined.
Concept Introduction :
Standard reduction potential measures the tendency of a chemical substance or species to get reduced. It can be defined relative to the Standard hydrogen potential reference electrode, with a given potential of 0.00 V.
Standard cell potential is the potential of a cell under standard condition, with taken as 1 M conc., Pressure= 1 atm, temperature=
(c)
Interpretation: The electrodes which increases and decreases in mass as the reaction proceeds needs to be determined.
Concept Introduction : Anodes are cathodes are called electrodes. Copper bar and zinc bar are immersed in a
At Zinc electrode (anode)
At Copper electrode (cathode)

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Chapter 11 Solutions
Chemical Principles
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