
(a)
Interpretation:
The equilibrium constant (K) for disproportionation of Au+ ion should be calculated using the given table.
Concept introduction:
Disproportionation reaction is a special type of
The relation between Gibb’s free energy change and K can be used to find the equilibrium constant (K) value as:
Where n is number of electrons involved, F is Faraday’s constant (96485 J/mol), R is Universal gas constant and T is temperature.
(b)
Interpretation:
The concentration of Au+ in equilibrium with 0.10 M Au+3 should be calculated.
Concept introduction:
The equilibrium constant is expressed as: the ratio of concentration of product raised to the power of their stoichiometric co-efficient to the concentration of reactant raised to the power of their stoichiometric co-efficient at equilibrium conditions so as:

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Chapter 20 Solutions
Chemistry: Principles and Reactions
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