how to find the nature of product in chemical reactions
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The first step---identifying the type of reaction involved---is usually the most difficult. The primary reaction types students encounter are displacement, acid-base and combustion. They are easily identified if the tell-tale signs are known. Displacement reactions involve two ionic compounds with cations and anions, such as sodium sulfate, in which sodium (Na?) is the cation and sulfate (SO?²?) is the anion. Ionic compounds always consist of a metal and a nonmetal or polyatomic (multiple-atom) anion. Decomposition reactions involve a single compound breaking into two or more compounds. Acid-base reactions must involve an acid (identified by its chemical formula that begins with “H,” such as HCl). Combustion reactions involve hydrogen or a hydrocarbon (such as CH?) reacting with oxygen (O
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Writing and balancing chemical equations is an essential skill for chemistry students, who must learn to predict the products of a reaction when given only the reactants.
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