Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
Deduce the possible anions and cations present in your unknown sample given the following set of observations.Provide a flowchart (containing added reagents + possible ions) and/or a brief explanation.
ANION ELIMINATION TESTS
ADDED REAGENT(S) |
OBSERVATIONS |
Ba(NO3)2 |
NVR |
HNO3, Fe(NO3)3 |
yellow aqueous layer; colorless toluene layer |
HNO3, KMnO4 |
purple aqueous layer; colorless toluene layer |
POSSIBLE ANION(S) PRESENT?
Select one or more:
CO32-
Br-
SCN-
NO3-
SO42-
I-
PO43-
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