(a)
Interpretation: Whether the reaction,
Concept Introduction: The reaction which involves the reduction and oxidation process is the redox reaction. Oxidation involves the loss of electrons and reduction involves the gaining of electrons.
(a)
Answer to Problem 45A
The given reaction
Explanation of Solution
In the given reaction,
Lithium,
Hydrogen, H in
So, it is a reduction reaction.
Since the given reaction involves both oxidation and reduction, it is a redox reaction.
(b)
Interpretation: Whether the reaction,
Concept Introduction: The reaction which involves the reduction and oxidation process is the redox reaction. Oxidation involves the loss of electrons and reduction involves the gaining of electrons.
(b)
Answer to Problem 45A
The given reaction
Explanation of Solution
In the given reaction,
Chlorine,
Chromium,
So it is a reduction reaction.
Since the given reaction involves both oxidation and reduction, it is a redox reaction.
(c)
Interpretation: Whether the reaction,
Concept Introduction: The reaction which involves the reduction and oxidation process is the redox reaction. Oxidation involves the loss of electrons and reduction involves the gaining of electrons.
(c)
Answer to Problem 45A
The given reaction
Explanation of Solution
In the given reaction,
Aluminum, Al increases its oxidation state from zero to +3 by the loss of electrons. So, it is an oxidation reaction.
Hydrogen,
Since the given reaction involves both oxidation and reduction, it is a redox reaction.
(d)
Interpretation: Whether the reaction,
Concept Introduction: The reaction which involves the reduction and oxidation process is the redox reaction. Oxidation involves the loss of electrons and reduction involves the gaining of electrons.
(d)
Answer to Problem 45A
The given reaction
Explanation of Solution
In the given reaction,
Chlorine,
Chlorine,
Since the given reaction involves both oxidation and reduction, it is a redox reaction.
(e)
Interpretation: Whether the reaction,
Concept Introduction: The reaction which involves the reduction and oxidation process is the redox reaction. Oxidation involves the loss of electrons and reduction involves the gaining of electrons.
(e)
Answer to Problem 45A
The given reaction
Explanation of Solution
In the given reaction,
Carbon, C in CO increases its oxidation state from +2 to +4 in
Iodine, I in
Since the given reaction involves both oxidation and reduction, it is a redox reaction.
(f)
Interpretation: Whether the reaction,
Concept Introduction: The reaction which involves the reduction and oxidation process is the redox reaction. Oxidation involves the loss of electrons and reduction involves the gaining of electrons.
(f)
Answer to Problem 45A
The given reaction
Explanation of Solution
In the given reaction,
The oxidation number of sulphur, S in
That means that there is no change in oxidation number in the reaction. So, it is not a redox reaction.
Chapter 20 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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