Anion Test - Chloride (Cl‾) Procedure : Add 5 drops of Cl‾ (NaCl 0.5 M) and AgNO3 0.05 M into a test tube. Check the solubility of precipitate formed in NH3 2 M solution.   Results : NaCl after adding AgNO3 obtained white precipitate.  Solubility in NH3:  5 drops - did not dissolved 5 more drops - still did not dissolved Excess NH3 - all precipitate dissolved in NH3 solution.   What is the Chemical equation involved and Discuss the Chloride test?

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter17: Complexation And Precipitation Reactions And Titrations
Section: Chapter Questions
Problem 17.35QAP
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Anion Test - Chloride (Cl)

  • Procedure : Add 5 drops of Cl (NaCl 0.5 M) and AgNO3 0.05 M into a test tube. Check the solubility of precipitate formed in NH3 2 M solution.

 

  • Results : NaCl after adding AgNO3 obtained white precipitate. 

    Solubility in NH3: 

    • 5 drops - did not dissolved
    • 5 more drops - still did not dissolved
    • Excess NH3 - all precipitate dissolved in NH3 solution.

 

What is the Chemical equation involved and Discuss the Chloride test? 

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