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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
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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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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