In qualitative analysis of anions - carbonate ion, sulfate ion , phosphate ion, thiocyanite ion, chloride ion , and nitrate ion . Complete the table and answer the questions below. Anions Experimental Results Theoretical Results CO32- SO42- PO4 3- SCN- Cl2- NO3 – No reaction occurs when you add HCl to an aqueous solution of your salt What can you conclude from this outcome?Your salt unknown is a colorless, granular solid. When dissolved in water it does not form a colored solution with ammonia under basic (alkaline) conditions. What cations can you conclude are not present?A solution of your salt unknown reacts with KSCN to form a deep red color which remains in solution. What ion is indicated by this result? Procedure:B. Test for carbonate ion (CO,?)Add 1 ml of 1M Na,CO: (or your unknown) and1 ml of 6M HCI to a small testtube.C. Test for sulfate ion (SO,)Add 1 ml of 0.5 M Na,SO. (or your unknown) and 1 ml of 6 M HCI to a smalltest tube. Next add a few drops of 1 M Baclı.D. Test for phosphate ion (PO, *)Add 1 ml of 0.5 M Na;HPO. (or your unknown) and 1 ml of 6 M HNO3 to asmall test tube. Next add a 1 ml of 0.5 M (NH4),MoO, and stir thoroughly. Placethe test tube in the hot water bath and continue to stir.E. Test for thiocyanate ion, (SCN)Add 1 ml of 0.5 M KSCN (or your unknown) and 1 ml of 6 M acetic acid(HC,H;O2) to a small test tube. Now add 2 drops of 0.1 M Fe (NO:)3. A dark redsolution indicates the presence of SCN-.F. Test for chloride ion, (Cl-)Add 1 ml of 0.5 M NaCI (or your unknown) and 1 ml of 6 M HNO; to a smalltest tube. Next add 2 to 3 drops of 0.1 M AGNO:.G. Test for nitrate ion, (NO, )Add 1 ml of 0.5 M NANO: (or your unknown) and 1 ml of 6 M N2OH to a smalltest tube. Then add a few granules of aluminum metal and put the test tube inthe hot water bath. Place a red litmus paper directly above the testtube.

1. No reaction occurs with HCl that indicates absence of Carbonate and Sulphate anions. 2. These…

Answered: No reaction occurs when you add HCl to…

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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In qualitative analysis of anions - carbonate ion, sulfate ion , phosphate ion, thiocyanite ion, chloride ion , and nitrate ion . Complete the table and answer the questions below.

Anions	Experimental Results	Theoretical Results
CO32-
SO42-
PO4 3-
SCN^-
Cl2-
NO3 –

No reaction occurs when you add HCl to an aqueous solution of your salt What can you conclude from this outcome?
Your salt unknown is a colorless, granular solid. When dissolved in water it does not form a colored solution with ammonia under basic (alkaline) conditions. What cations can you conclude are not present?
A solution of your salt unknown reacts with KSCN to form a deep red color which remains in solution. What ion is indicated by this result?

Procedure:
B. Test for carbonate ion (CO,?)
Add 1 ml of 1M Na,CO: (or your unknown) and1 ml of 6M HCI to a small test
tube.
C. Test for sulfate ion (SO,)
Add 1 ml of 0.5 M Na,SO. (or your unknown) and 1 ml of 6 M HCI to a small
test tube. Next add a few drops of 1 M Baclı.
D. Test for phosphate ion (PO, *)
Add 1 ml of 0.5 M Na;HPO. (or your unknown) and 1 ml of 6 M HNO3 to a
small test tube. Next add a 1 ml of 0.5 M (NH4),MoO, and stir thoroughly. Place
the test tube in the hot water bath and continue to stir.
E. Test for thiocyanate ion, (SCN)
Add 1 ml of 0.5 M KSCN (or your unknown) and 1 ml of 6 M acetic acid
(HC,H;O2) to a small test tube. Now add 2 drops of 0.1 M Fe (NO:)3. A dark red
solution indicates the presence of SCN-.
F. Test for chloride ion, (Cl-)
Add 1 ml of 0.5 M NaCI (or your unknown) and 1 ml of 6 M HNO; to a small
test tube. Next add 2 to 3 drops of 0.1 M AGNO:.
G. Test for nitrate ion, (NO, )
Add 1 ml of 0.5 M NANO: (or your unknown) and 1 ml of 6 M N2OH to a small
test tube. Then add a few granules of aluminum metal and put the test tube in
the hot water bath. Place a red litmus paper directly above the testtube.

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