25
QuizMultiple Choice

Chemical Reactions and Stoichiometry — Test

Question 25 • Chemistry

Which type of reaction is represented by the generic equation AB+CD→AD+CB ?

Answer
A
decomposition
B
double replacement
C
combustion
D
single replacement

Explanation

In AB + CD → AD + CB, the two compounds exchange partners: A pairs with D, and C pairs with B. This pattern is a double replacement reaction, so choice D is correct.

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