match the cations with the color of the precipitate that it will form INITIALLY when treated with hydroxide: MORE THAN ONE MIGHT HAVE THE SAME COLOR Cations: Zn2+ Ni2+ Fe3+ Cr3+ Cu2+ Al3+ Colors: green gel brown gel blue gel white gel
match the cations with the color of the precipitate that it will form INITIALLY when treated with hydroxide: MORE THAN ONE MIGHT HAVE THE SAME COLOR Cations: Zn2+ Ni2+ Fe3+ Cr3+ Cu2+ Al3+ Colors: green gel brown gel blue gel white gel
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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match the cations with the color of the precipitate that it will form INITIALLY when treated with hydroxide: MORE THAN ONE MIGHT HAVE THE SAME COLOR
Cations:
Zn2+
Ni2+
Fe3+
Cr3+
Cu2+
Al3+
Colors:
green gel
brown gel
blue gel
white gel
![**Aluminum Ions in Aqueous Solution and Their Reactions**
1. **Aluminum Ions in Solution**
- **Al³⁺ (aq)**: This refers to aluminum ions dissolved in water, which are colorless.
2. **Formation of Aluminum Hydroxide**
- When certain conditions are met, the aluminum ions form a **white gel-like precipitate of Al(OH)₃** (aluminum hydroxide).
3. **Complex Ion Formation**
- Upon further reaction, the precipitate dissolves to form a **clear, colorless solution** composed of complex ions, specifically **[Al(OH)₆]³⁻**.
This sequence demonstrates the behavior of aluminum ions under different chemical conditions, illustrating the formation and dissolution of compounds in aqueous solutions.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb158f56a-86d6-40b2-b57e-d311cb867ac4%2F4a555cee-a230-4290-844d-3684d6ae8ecb%2Fk8axjvr_processed.png&w=3840&q=75)
Transcribed Image Text:**Aluminum Ions in Aqueous Solution and Their Reactions**
1. **Aluminum Ions in Solution**
- **Al³⁺ (aq)**: This refers to aluminum ions dissolved in water, which are colorless.
2. **Formation of Aluminum Hydroxide**
- When certain conditions are met, the aluminum ions form a **white gel-like precipitate of Al(OH)₃** (aluminum hydroxide).
3. **Complex Ion Formation**
- Upon further reaction, the precipitate dissolves to form a **clear, colorless solution** composed of complex ions, specifically **[Al(OH)₆]³⁻**.
This sequence demonstrates the behavior of aluminum ions under different chemical conditions, illustrating the formation and dissolution of compounds in aqueous solutions.
![**Title: Metal Ion Reactions with Sodium Hydroxide**
**Introduction:**
This table provides a comprehensive guide to the color and reactions of various metal ions in aqueous solution when treated with sodium hydroxide (NaOH), a strong base. It highlights initial colors, formation of precipitates, and further reactions upon the addition of excess NaOH. This information is crucial for understanding transition metal chemistry and for performing qualitative analysis in inorganic chemistry.
**Table Explanation:**
1. **Reagent and Initial Color:**
- **Cr³⁺ (aq):** Green
- **Mn²⁺ (aq):** Very pale pink to colorless
- **Fe²⁺ (aq):** Pale green
- **Fe³⁺ (aq):** Yellow-brown
- **Co²⁺ (aq):** Pink
- **Ni²⁺ (aq):** Green
- **Cu²⁺ (aq):** Blue
- **Zn²⁺ (aq):** Colorless
2. **Initial NaOH(aq) Reaction:**
- **Cr³⁺ (aq):** Forms a green gel-like precipitate of Cr(OH)₃.
- **Mn²⁺ (aq):** Forms a white gel-like precipitate that darkens with oxidation to Mn₂O₃ and MnO₂.
- **Fe²⁺ (aq):** Forms a dark green precipitate that browns upon oxidation to Fe(OH)₃.
- **Fe³⁺ (aq):** Forms a brown gelatinous precipitate of Fe(OH)₃.
- **Co²⁺ (aq):** Forms a blue gel-like precipitate that turns pink over time when standing as Co(OH)₂.
- **Ni²⁺ (aq):** Forms a green gel-like precipitate of Ni(OH)₂.
- **Cu²⁺ (aq):** Forms a blue gelatinous precipitate of Cu(OH)₂.
- **Zn²⁺ (aq):** Forms a white gel-like precipitate of Zn(OH)₂.
3. **Excess NaOH(aq) Reaction:**
- **Cr³⁺ (aq):** The precipitate dissolves, forming a clear green solution of a complex ion [Cr(OH)₆]³](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb158f56a-86d6-40b2-b57e-d311cb867ac4%2F4a555cee-a230-4290-844d-3684d6ae8ecb%2Fi3n79g5_processed.png&w=3840&q=75)
Transcribed Image Text:**Title: Metal Ion Reactions with Sodium Hydroxide**
**Introduction:**
This table provides a comprehensive guide to the color and reactions of various metal ions in aqueous solution when treated with sodium hydroxide (NaOH), a strong base. It highlights initial colors, formation of precipitates, and further reactions upon the addition of excess NaOH. This information is crucial for understanding transition metal chemistry and for performing qualitative analysis in inorganic chemistry.
**Table Explanation:**
1. **Reagent and Initial Color:**
- **Cr³⁺ (aq):** Green
- **Mn²⁺ (aq):** Very pale pink to colorless
- **Fe²⁺ (aq):** Pale green
- **Fe³⁺ (aq):** Yellow-brown
- **Co²⁺ (aq):** Pink
- **Ni²⁺ (aq):** Green
- **Cu²⁺ (aq):** Blue
- **Zn²⁺ (aq):** Colorless
2. **Initial NaOH(aq) Reaction:**
- **Cr³⁺ (aq):** Forms a green gel-like precipitate of Cr(OH)₃.
- **Mn²⁺ (aq):** Forms a white gel-like precipitate that darkens with oxidation to Mn₂O₃ and MnO₂.
- **Fe²⁺ (aq):** Forms a dark green precipitate that browns upon oxidation to Fe(OH)₃.
- **Fe³⁺ (aq):** Forms a brown gelatinous precipitate of Fe(OH)₃.
- **Co²⁺ (aq):** Forms a blue gel-like precipitate that turns pink over time when standing as Co(OH)₂.
- **Ni²⁺ (aq):** Forms a green gel-like precipitate of Ni(OH)₂.
- **Cu²⁺ (aq):** Forms a blue gelatinous precipitate of Cu(OH)₂.
- **Zn²⁺ (aq):** Forms a white gel-like precipitate of Zn(OH)₂.
3. **Excess NaOH(aq) Reaction:**
- **Cr³⁺ (aq):** The precipitate dissolves, forming a clear green solution of a complex ion [Cr(OH)₆]³
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