The statements which correctly describe and provide evidence for the double replacement reaction are:
- reactants rearrange to form new products
- metal replaces a nonmetal
- the cations trade places
The correct options are A, D, and E.
What are double replacement reactions?
Double replacement reactions are reactions where there is an exchange of radicals between two compounds when their solution is mixed together.
In double replacement reactions, a precipitate is always formed.
Also, the metallic ions trade places such that the cation of one compound is exchanged with the cation of the other compound.
A typical double replacement reaction is illustrated below:
AB + CD ---> AD + CB
where;
A and C are cations
B and D are anions.
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Complete question:
Which statements correctly describe and provide evidence for the double replacement reaction?
- reactants rearrange to form new products
- there is a single element formed
- a metal replaces a nonmetal
- a precipitate is formed
- the cations trade places
