General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter12: Solutions
Section: Chapter Questions
Problem 12.31QP
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Question
Transcribed Image Text:d) In 4 test tubes, divide equally the solution prepared in procedure c into four parts.
Reserve the first test tube as a standard.
1) To the second test tube add 1 mL of ferric chloride solution.
2) To the third test tube add 1 mL of ammonium thiocyanate solution.
3) To the fourth test tube add a pack of solid ammonium chloride.
Compare the color obtained in test tubes 2,3,4 with the first test tube(standard
solution). Record and explain your observations.
Was the reaction in procedure c complete?
Can the reaction be made reversible?
Define common ion effect.
2. a) Heat a pack of sawdust in a stained test tube.
Observations.
Is the reaction reversible or irreversible?
Complete or incomplete?
b) Recall the reactions of:
i. Magnesium ribbon (ignited) and oxygen;
ii. potassium chlorate and heat;
iii. blue vitriol and heat.
Write the chemical equations for each of the above reactions and classify each
as reversible or irreversible and complete or incomplete?
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