Interpretation:
Difference between single exchange reaction and double exchange reaction must be explained.
Concept introduction:
A single exchange reaction is that in which one element is replaced for another in a compound.
A double exchange reaction is that in which two cations or two anions are exchanged.
Answer to Problem 2E
In a single exchange or single displacement reaction, only one cation or anion is exchanged with other in a compound, whereas in a double exchange or double displacement reaction two cations or two anions are exchanged.
Explanation of Solution
A single exchange reaction is given below.
In this reaction H of H2SO4 is exchanged with Zn.
A double exchange reaction is given below.
In this case, Ag is exchanged with Na so AgCl and
Chapter U4 Solutions
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