Single Displacement Reactions in Chemistry
Learn about single displacement reactions in chemistry where one element displaces another in a compound. Explore the general equation, reactivity differences, activity series, and predictions for various scenarios, including halogens and metals. Discover how to identify likely elements to swap and predict reactions with balanced equations. Enhance your knowledge of chemical reactions with practical examples and explanations.
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Presentation Transcript
Identify and predict single displacement reactions.
In a single-displacement reaction, one element displaces another in a compound. Single displacement reactions follow this general equation: A + BC AC + B
In single-displacement reactions, one metal can replace hydrogen or another metal.
A metal will not always replace a metal in a compound dissolved in water because of differing reactivities. An activity series can be used to predict if reactions will occur.
Halogens frequently replace other halogens in replacement reactions.
Halogens also have different reactivities and do not always replace each other. An activity series can be used to predict if reactions will occur.
Identify which two elements would be likely to swap. Consult the activity series to see which element is more reactive. If the free element is more reactive, it will trade places with the element in the compound. If the free element is less reactive, no reaction will take place.
Predict whether the following single displacement reactions will occur. If a reaction occurs, write a balanced equation for the reaction. K(s) + ZnCl2(aq)
Cl2(g) + HF(aq) Fe(s) + Na3PO4(aq) Al(s) + Pb(NO3)2(aq)
