Hgl2(s)=2NaNOg(ag) a combination,decomposition,single replacement or double replacement
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To determine the type of chemical reaction, we need to analyze the reaction equation you provided:
Hgl2(s) = 2NaNOg(ag)
This equation shows the reaction of a solid compound, HgI2, with a solution of another compound, NaNO3.
First, let's identify the reactants and products:
Reactant: Hgl2(s)
Product: 2NaNO3(ag)
Now, let's go through the different types of reactions to determine the correct classification:
1. Combination (synthesis) reaction: This type of reaction occurs when two or more substances combine to form a single compound. However, in the equation you provided, there is only one reactant, and it does not consist of multiple substances. Therefore, it is not a combination reaction.
2. Decomposition reaction: This type of reaction occurs when a single compound breaks down into two or more substances. Again, in the equation, we do not see a single compound being broken down. So, it is not a decomposition reaction.
3. Single replacement (displacement) reaction: This type of reaction involves an element reacting with a compound to replace one of the elements within the compound. In this equation, we see that a solid compound (HgI2) is reacting with a solution (NaNO3). However, there is no evidence of one element replacing another in the compound. Therefore, it is not a single replacement reaction.
4. Double replacement (displacement) reaction: This type of reaction involves the exchange of positive ions between two compounds. In the equation you provided, we see that there is a reaction between HgI2 and NaNO3. Here, the positive ions Hg2+ and Na+ are exchanging places. Therefore, the equation represents a double replacement reaction.
In conclusion, the reaction HgI2(s) = 2NaNO3(ag) is a double replacement reaction.