(a)
Interpretation:
The equilibrium constant expressions in terms of the unknown variable x for each given reactions has to be written by using the reaction table (ICE table) approach.
Concept Introduction:
Equilibrium constant
Equilibrium constant
Consider the reaction where A reacts to give B.
On rearranging,
Where,
(a)
Explanation of Solution
The equilibrium constant expressions in terms of the unknown variable x for 1 reaction is,
The equilibrium constant expressions for above equation is,
ICE table for the above equation is,
The equilibrium constant expressions in terms of the unknown variable x for 1 reaction is,
The equilibrium constant expressions in terms of the unknown variable x for 2 reaction is,
The equilibrium constant expressions for above equation is,
ICE table for the above equation is,
The equilibrium constant expressions in terms of the unknown variable x for given reaction is,
The equilibrium constant expressions in terms of the unknown variable x for 3 reaction is,
The equilibrium constant expressions for above equation is,
ICE table for the above equation is,
The equilibrium constant expressions in terms of the unknown variable x for given reaction is,
(b)
Interpretation:
The equilibrium constant expressions in terms of the unknown variable x for each given reactions has to be written, which of these expressions yield quadratic equations has to be given.
Concept Introduction:
Refer part (a).
(b)
Explanation of Solution
The given reactions and it’s the equilibrium constant expressions in terms of the unknown variable x are,
From the equilibrium constant expression, it yields quadratic equation.
From the equilibrium constant expression, it yields quadratic equation.
From the equilibrium constant expression, it yields quadratic equation.
(c)
Interpretation:
The equilibrium constant expression in terms of the unknown variable x for given reaction has to be written and solving of x has to be explained.
Concept Introduction:
Refer to part (a).
(c)
Explanation of Solution
The equilibrium constant expressions in terms of the unknown variable x for 3 reaction is,
The equilibrium constant expressions for above equation is,
ICE table for the above equation is,
The equilibrium constant expression in terms of the unknown variable x for given reaction is,
The above expression is not a quadratic equation so it is solved as shown below,
Let,
The valve of x is calculated as,
The calculated value is,
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Chapter 12 Solutions
EBK CHEMISTRY: THE MOLECULAR SCIENCE
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