When AgNO3 (aq) is mixed with NaCl (aq), which type of reaction will occur?  
A) single replacement  
B) synthesis  
C) decomposition  
D) double replacement


Sagot :

When AgNO₃(aq) is mixed with NaCl (aq), Double-Replacement reactions will occur

Further explanation

There are several reactions that might occur in chemical reactions

  • 1. Combination / Synthesis

2 elements combine to form a single product

  • 2. Decomposition

One compound breaks down into 2 components (the opposite of a synthesis reaction)

  • 3. Single replacement reaction

One element replaces another element in a compound

  • 4. Double-Replacement reactions

Two elements in two compounds replace each other to form 2 new products

  • 5. Combustion

Reaction with oxygen which produces CO2 and water

  • 6. Acid-Base

The reaction between the H⁺ cation and the OH⁻ anion

AgNO₃ (aq) is mixed with NaCl (aq), then the reaction occurs

AgNO₃ (aq) + NaCl (aq) ---> AgCl (s) + NaNO₃ (aq)

This reaction is included in the Double-Replacement reactions because there is an ion exchange between two ion compounds in the reactant to form two new ion compounds in the product

There are 3 reactions that can indicate the existence of a Double-Replacement: neutralization (acid base), precipitation (solid product) and gas formation

In this reaction precipitating compounds namely AgCl so that the reaction is included in the Double-Replacement reactions

To determine this precipitation we can use the solubilty rules

  • the soluble compound

All compounds of Li +, Na +, K +, Rb +, Cs +, and NH4 +

All compounds of NO₃⁻ and C₂H₃O₂⁻

Compounds of Cl−, Br−, I− except Ag⁺, Hg₂²⁺, Pb²⁺

Compounds of SO₄²⁻ except Hg₂²⁺, Pb²⁺, Sr²⁺, Ba²⁺

So from this solubilty rules, it can be concluded that AgCl is a non soluble compound and NaNO₃ is a soluble compound

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