(a)
Interpretation: The given
Concept Introduction: The
- First, the given redox reaction is divided into half reactions one oxidation and the other reduction.
- Based on mass and charge the half-reactions are balanced.
- The electrons on both sides of the reaction are equalized.
- Then add the half-reactions together and the common one is eliminated to get the balanced equation.
(a)
Answer to Problem 44A
The balanced equation is
Explanation of Solution
In the reaction,
The half-reaction involved in the reaction can be given as,
Oxidation:
Reduction:
The half-reaction can be balanced by 2 to the oxidation and 3 to the reduction reaction.
The overall reaction after the cancellation of common species is,
(b)
Interpretation: The given redox reaction
Concept Introduction: The chemical reaction that involves both oxidation and reduction is the redox reaction. Redox reactions can be balanced by following the half-reaction method. That is,
- First, the given redox reaction is divided into half reactions one oxidation and the other reduction.
- Based on mass and charge the half-reactions are balanced.
- The electrons on both sides of the reaction are equalized.
- Then add the half-reactions together and the common one is eliminated to get the balanced equation.
(b)
Answer to Problem 44A
The balanced equation is
Explanation of Solution
In the reaction,
The half-reactions can be given as,
The reaction can be balanced by adding 2 to Al on the reactant side and 2 to Fe on the product side.
Therefore, the balanced equation after cancellation is,
(c)
Interpretation: The given redox reaction
Concept Introduction: The chemical reaction that involves both oxidation and reduction is the redox reaction. Redox reactions can be balanced by following the half-reaction method. That is,
- First, the given redox reaction is divided into half reactions one oxidation and the other reduction.
- Based on mass and charge the half-reactions are balanced.
- The electrons on both sides of the reaction are equalized.
- Then add the half-reactions together and the common one is eliminated to get the balanced equation.
(c)
Answer to Problem 44A
The balanced equation is
Explanation of Solution
In the reaction,
The elements in the reactant and product side must be balanced to get a balanced chemical equation.
The oxygen in the product and the reactant side are not equal. To balance them 6 is added to
So, the balanced chemical equation is,
(d)
Interpretation: The given redox reaction
Concept Introduction: The chemical reaction that involves both oxidation and reduction is the redox reaction. Redox reactions can be balanced by following the half-reaction method. That is,
- First, the given redox reaction is divided into half reactions one oxidation and the other reduction.
- Based on mass and charge the half-reactions are balanced.
- The electrons on both sides of the reaction are equalized.
- Then add the half-reactions together and the common one is eliminated to get the balanced equation.
(d)
Answer to Problem 44A
The balanced equation is
Explanation of Solution
In the reaction,
The half-reactions can be represented as
The above half reaction can be balanced by multiplying the oxidation reaction by 2 and the reduction reaction by 3.
The overall reaction after cancellation is,
(e)
Interpretation: The given redox reaction
Concept Introduction: The chemical reaction that involves both oxidation and reduction is the redox reaction. Redox reactions can be balanced by following the half-reaction method. That is,
- First, the given redox reaction is divided into half reactions one oxidation and the other reduction.
- Based on mass and charge the half-reactions are balanced.
- The electrons on both sides of the reaction are equalized.
- Then add the half-reactions together and the common one is eliminated to get the balanced equation.
(e)
Answer to Problem 44A
The balanced equation is
Explanation of Solution
In the reaction,
The number of oxygen in reactants and products is not equal. It can be balanced by adding 4 to
Then, I can be balanced by adding 4 to
Chapter 20 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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