Chemistry: Principles and Practice (3rd Edition)

Published by Cengage Learning
ISBN 10: 0534420125
ISBN 13: 978-0-53442-012-3

Chapter 4 - Chemical Reactions in Solution - Questions and Exercises - Questions - Page 168: 4.3

Answer

To determine, if Hg+ ions are present in the solution, mix NaCl and heat the solution. If precipitates are formed, Hg+ ions are present in the solution. This is due to the reason that Cl- ions form NaCl form HgCl2, which is insoluble in water, while SrCl2 is soluble in water. Solubility rules can be found in the solubility tables.

Work Step by Step

To determine, if Hg+ ions are present in the solution, mix NaCl and heat the solution. If precipitates are formed, Hg+ ions are present in the solution. This is due to the reason that Cl- ions form NaCl form HgCl2, which is insoluble in water, while SrCl2 is soluble in water. Solubility rules can be found in the solubility tables.
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