Interpretation: The reason that a double replacement reaction is not a
Concept introduction: The
Answer to Problem 65A
Double displacement reactions involve only ion exchange between reactants, so, it is not an example of a redox reaction.
Explanation of Solution
Redox reactions are those reactions that contain electron transfer between the reactant molecules. The oxidation number of species is also changing in the case of redox reactions.
For a double displacement reaction, there is no electron transfer between the reactants; there is only an exchange of ions I between reactants involved in the reaction.
For example,
There is only exchanging of ions between Pb and K taking place. So, double displacement is not a redox reaction.
Chapter 20 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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