6. Complete the Qual II flow diagram (see Dry Lab 4.D, page 411). Ni²+, Fe³+, Al³+, Zn²+ [NaOH] (A.1) [HCI] (B.2) [NH₂SCN] [HNO₂] (A.2) (NH3] (B1) [H₂DMG] (C.1) *Numbers in parentheses refer to parts of the Experimental Procedure. [HNO3] (D.2) [aluminon, NH₂] [HNO3] (D.1) [NH₂] [HCI) (E.1) [K4Fe(CN)]
6. Complete the Qual II flow diagram (see Dry Lab 4.D, page 411). Ni²+, Fe³+, Al³+, Zn²+ [NaOH] (A.1) [HCI] (B.2) [NH₂SCN] [HNO₂] (A.2) (NH3] (B1) [H₂DMG] (C.1) *Numbers in parentheses refer to parts of the Experimental Procedure. [HNO3] (D.2) [aluminon, NH₂] [HNO3] (D.1) [NH₂] [HCI) (E.1) [K4Fe(CN)]
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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Please do question 6
![A flow diagram is often used to organize the sequence of test procedures for the sepa-
ration and identification of the large number of ions in a mixture. A flow diagram uses
several standard notations:
• Brackets, [], indicate the use of a test reagent written in molecular form.
• A longer single horizontal line,
indicates a separation of a precipitate
from a solution, most often with a centrifuge.
• Two short vertical lines, |, indicate the presence of a precipitate; these lines
are drawn to the left of the single horizontal line.
•
One short vertical line, ], indicates a supernatant and is drawn to the right of the
single horizontal line.
• A double horizontal line,
indicates the presence of soluble ions in the
solution.
• Two branching diagonal lines, ^, indicate a separation of the existing solution
into two portions.
• A rectangular box,, placed around a compound or the result of a test con-
firms the presence of the ion.
D. Constructing Flow
Diagrams](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F94cb56ce-f9a7-474a-b997-77a13b6dc73a%2Fcfb7eb01-9f21-4897-9620-bde034b5dfc5%2F2s8qcdt_processed.png&w=3840&q=75)
Transcribed Image Text:A flow diagram is often used to organize the sequence of test procedures for the sepa-
ration and identification of the large number of ions in a mixture. A flow diagram uses
several standard notations:
• Brackets, [], indicate the use of a test reagent written in molecular form.
• A longer single horizontal line,
indicates a separation of a precipitate
from a solution, most often with a centrifuge.
• Two short vertical lines, |, indicate the presence of a precipitate; these lines
are drawn to the left of the single horizontal line.
•
One short vertical line, ], indicates a supernatant and is drawn to the right of the
single horizontal line.
• A double horizontal line,
indicates the presence of soluble ions in the
solution.
• Two branching diagonal lines, ^, indicate a separation of the existing solution
into two portions.
• A rectangular box,, placed around a compound or the result of a test con-
firms the presence of the ion.
D. Constructing Flow
Diagrams
![4. Aluminum hydroxide is amphoteric, but ferric hydroxide is not. Write equations to show the difference in this chemical
property of the two ions.
5. Refer to Dry Lab 4.B. Describe the technique used to test for the completeness of the precipitation of an ion.
6. Complete the Qual II flow diagram (see Dry Lab 4.D, page 411).
[HCI] (B.2)
[NH₁SCN]
[HNO₂] (A.2)
I
(NH3) (B1)
[H₂DMG] (C.1)
Ni²+, Fe³+, Al³+, Zn²+
[NaOH] (A.1)
*Numbers in parentheses refer to parts of the Experimental Procedure.
[HNO3] (D.2)
[aluminon, NH₂]
[HNO3]
[NH3]
(D.1)
[HCI) (E.1)
[K4Fe(CN)6]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F94cb56ce-f9a7-474a-b997-77a13b6dc73a%2Fcfb7eb01-9f21-4897-9620-bde034b5dfc5%2Fu9sz04v_processed.png&w=3840&q=75)
Transcribed Image Text:4. Aluminum hydroxide is amphoteric, but ferric hydroxide is not. Write equations to show the difference in this chemical
property of the two ions.
5. Refer to Dry Lab 4.B. Describe the technique used to test for the completeness of the precipitation of an ion.
6. Complete the Qual II flow diagram (see Dry Lab 4.D, page 411).
[HCI] (B.2)
[NH₁SCN]
[HNO₂] (A.2)
I
(NH3) (B1)
[H₂DMG] (C.1)
Ni²+, Fe³+, Al³+, Zn²+
[NaOH] (A.1)
*Numbers in parentheses refer to parts of the Experimental Procedure.
[HNO3] (D.2)
[aluminon, NH₂]
[HNO3]
[NH3]
(D.1)
[HCI) (E.1)
[K4Fe(CN)6]
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