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 Select one or more: NH4+ CO32- Fe3+ SO42- Cu2+ NO3- Ca2+ I- Br- PO43- Zn2+ SCN-
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 Select one or more: NH4+ CO32- Fe3+ SO42- Cu2+ NO3- Ca2+ I- Br- PO43- Zn2+ SCN-
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter32: Radiochemical Methods
Section: Chapter Questions
Problem 32.6QAP
Related questions
Question
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 |
Select one or more:
NH4+
CO32-
Fe3+
SO42-
Cu2+
NO3-
Ca2+
I-
Br-
PO43-
Zn2+
SCN-
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