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A __________________________________reaction in one in which the two negative ions in two compounds switch places, forming two new compounds

Question

A __________________________________

reaction in one in which the two negative ions in two compounds switch places, forming two new compounds

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Solution

The reaction you're referring to is called a "Double Replacement" reaction. Here's how it works:

  1. Identify the two compounds that are reacting. These compounds are usually in a solution and are often ionic compounds. For example, let's take silver nitrate (AgNO3) and sodium chloride (NaCl).

  2. Identify the positive (cation) and negative (anion) ions in each compound. In our example, Ag+ and NO3- are the ions in silver nitrate, and Na+ and Cl- are the ions in sodium chloride.

  3. In a double replacement reaction, the anions and cations switch places. The cation of the first compound pairs with the anion of the second, and vice versa. So, Ag+ pairs with Cl-, and Na+ pairs with NO3-.

  4. The result of this switch is two new compounds: silver chloride (AgCl) and sodium nitrate (NaNO3).

So, a double replacement reaction is one in which the two negative ions in two compounds switch places, forming two new compounds.

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