Determine the possible ion/cation present Draw the flowchart of it CATION CONFIRMATORY TEST OBSERVATION ADDED REAGENT(S) OBSERVATIONS Excess NH3 NVR KSCN NVR K4Fe(CN)6 NVR K3Fe(CN)6 NVR Na2C2O4 NVR NaOH (in evaporating dish) Litmus paper: red to blue ANION CONFIRMATORY TEST OBSERVATION ADDED REAGENT(S) OBSERVATIONS HNO3, Fe(NO3)3 Blood red aqueous layer; colorless toluene layer HNO3, KMnO4 Peach aqueous layer; colorless toluene layer (to the ppt) CH3COOH White ppt does not dissolve MgCl2 NVR 6M H2SO4, FeSO4, 18M H2SO4 NVR POSSIBLE ION(S) PRESENT? Select one or more: NH4+ CO32- Fe3+ SO42- Cu2+ NO3- Ca2+ I- Br- PO43- Zn2+ SCN-
Determine the possible ion/cation present Draw the flowchart of it CATION CONFIRMATORY TEST OBSERVATION ADDED REAGENT(S) OBSERVATIONS Excess NH3 NVR KSCN NVR K4Fe(CN)6 NVR K3Fe(CN)6 NVR Na2C2O4 NVR NaOH (in evaporating dish) Litmus paper: red to blue ANION CONFIRMATORY TEST OBSERVATION ADDED REAGENT(S) OBSERVATIONS HNO3, Fe(NO3)3 Blood red aqueous layer; colorless toluene layer HNO3, KMnO4 Peach aqueous layer; colorless toluene layer (to the ppt) CH3COOH White ppt does not dissolve MgCl2 NVR 6M H2SO4, FeSO4, 18M H2SO4 NVR POSSIBLE ION(S) PRESENT? Select one or more: NH4+ CO32- Fe3+ SO42- Cu2+ NO3- Ca2+ I- Br- PO43- Zn2+ SCN-
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
Determine the possible ion/cation present
Draw the flowchart of it
CATION CONFIRMATORY TEST OBSERVATION
ADDED REAGENT(S) |
OBSERVATIONS |
Excess NH3 |
NVR |
KSCN |
NVR |
K4Fe(CN)6 |
NVR |
K3Fe(CN)6 |
NVR |
Na2C2O4 |
NVR |
NaOH (in evaporating dish) |
Litmus paper: red to blue |
ANION CONFIRMATORY TEST OBSERVATION
ADDED REAGENT(S) |
OBSERVATIONS |
HNO3, Fe(NO3)3 |
Blood red aqueous layer; colorless toluene layer |
HNO3, KMnO4 |
Peach aqueous layer; colorless toluene layer |
(to the ppt) CH3COOH |
White ppt does not dissolve |
MgCl2 |
NVR |
6M H2SO4, FeSO4, 18M H2SO4 |
NVR |
POSSIBLE ION(S) PRESENT?
Select one or more:
NH4+
CO32-
Fe3+
SO42-
Cu2+
NO3-
Ca2+
I-
Br-
PO43-
Zn2+
SCN-
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