(a) Interpretation: The two-half reaction showing the formation of the complex ion needs to be identified. Concept introduction: In a redox reaction , both oxidation and reduction take place. In oxidation, loss of electron/s takes place and oxidation state increases. Similarly, in reduction gain of electron/s takes place and oxidation state decreases. The two half reactions (oxidation and reduction) combines to from a redox reaction.
(a) Interpretation: The two-half reaction showing the formation of the complex ion needs to be identified. Concept introduction: In a redox reaction , both oxidation and reduction take place. In oxidation, loss of electron/s takes place and oxidation state increases. Similarly, in reduction gain of electron/s takes place and oxidation state decreases. The two half reactions (oxidation and reduction) combines to from a redox reaction.
Solution Summary: The author explains the two-half reaction showing the formation of the complex ion needs to be identified.
Definition Definition Chemical reactions involving both oxidation and reduction processes. During a redox reaction, electron transfer takes place in such a way that one chemical compound gets reduced and the other gets oxidized.
Chapter 17, Problem 59QAP
Interpretation Introduction
(a)
Interpretation:
The two-half reaction showing the formation of the complex ion needs to be identified.
Concept introduction:
In a redox reaction, both oxidation and reduction take place. In oxidation, loss of electron/s takes place and oxidation state increases. Similarly, in reduction gain of electron/s takes place and oxidation state decreases. The two half reactions (oxidation and reduction) combines to from a redox reaction.
Interpretation Introduction
(b)
Interpretation:
The standard reduction potential at 250C for the reaction needs to be calculated.
Concept introduction:
The value of electrode potential from formation constant can be calculated using the following relation:
Eo=RTnlnKf
Here, R is Universal gas constant, T is temperature, n is number of electrons transferred in a reaction and Kf is formation constant.
MISSED THIS? Read Section 19.9 (Pages 878-881); Watch IWE 19.10
Consider the following reaction:
CH3OH(g)
CO(g) + 2H2(g)
(Note that AG,CH3OH(g) = -162.3 kJ/mol and AG,co(g)=-137.2 kJ/mol.)
Part A
Calculate AG for this reaction at 25 °C under the following conditions:
PCH₂OH
Pco
PH2
0.815 atm
=
0.140 atm
0.170 atm
Express your answer in kilojoules to three significant figures.
Ο ΑΣΦ
AG = -150
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kJ
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Calculate the free energy change under nonstandard conditions (AGrxn) by using the following relationship:
AGrxn = AGrxn + RTInQ,
AGxn+RTInQ,
where AGxn is the standard free energy change, R is the ideal gas constant, T is the temperature in kelvins, a
is the reaction quotient.
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