Because tap water is slightly acidic, water pipes made of iron corrode over time, as shown by the balanced equation: 2Fe) + 3H26) + 6H*, Cag) 2Fe,*(aq) 2(e) Explain, in terms of chemical reactivity, why copper pipes are less likely to corrode than iron pipes. Reactivity Series of Metals Potassium Sodium Calcium K most reactive Na Ca Mg Al Magnesium Aluminum Carbon Zn Zinc Fe Iron Tin Lead Hydrogen Copper Silver Gold Platinum Sn Pb H. Cu Ag Au least reactive Pt
Because tap water is slightly acidic, water pipes made of iron corrode over time, as shown by the balanced equation: 2Fe) + 3H26) + 6H*, Cag) 2Fe,*(aq) 2(e) Explain, in terms of chemical reactivity, why copper pipes are less likely to corrode than iron pipes. Reactivity Series of Metals Potassium Sodium Calcium K most reactive Na Ca Mg Al Magnesium Aluminum Carbon Zn Zinc Fe Iron Tin Lead Hydrogen Copper Silver Gold Platinum Sn Pb H. Cu Ag Au least reactive Pt
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter19: Principles Of Chemical Reactivity: Electron Transfer Reactions
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![### Corrosion of Metal Pipes in Tap Water
Because tap water is slightly acidic, water pipes made of iron corrode over time, as shown by the balanced equation:
\[2Fe_{(s)} + 6H^+_{(aq)} \rightarrow 2Fe^{3+}_{(aq)} + 3H_2{(g)}\]
### Explanation of Copper Pipe Resistance to Corrosion
**Question:** Explain, in terms of chemical reactivity, why copper pipes are less likely to corrode than iron pipes.
Copper pipes are less likely to corrode than iron pipes because copper is less reactive than iron. This means that copper does not lose electrons as easily as iron does in the presence of acidic water, making it less likely to undergo the same type of corrosion.
### Reactivity Series of Metals
**Diagram Explanation:**
The diagram below illustrates the reactivity series of metals, which ranks metals from most reactive to least reactive.
- **Most Reactive:** At the top of the series are metals like Potassium (K), Sodium (Na), and Calcium (Ca). These metals react vigorously with water and acids.
- **Least Reactive:** At the bottom of the series are metals like Silver (Ag), Gold (Au), and Platinum (Pt). These metals are much less likely to react with water and acids.
\[
\begin{aligned}
&\text{K} : \text{Potassium}\\
&\text{Na} : \text{Sodium}\\
&\text{Ca} : \text{Calcium}\\
&\text{Mg} : \text{Magnesium}\\
&\text{Al} : \text{Aluminum}\\
&\text{C} : \text{Carbon}\\
&\text{Zn} : \text{Zinc}\\
&\text{Fe} : \text{Iron}\\
&\text{Sn} : \text{Tin}\\
&\text{Pb} : \text{Lead}\\
&\text{H} : \text{Hydrogen}\\
&\text{Cu} : \text{Copper}\\
&\text{Ag} : \text{Silver}\\
&\text{Au} : \text{Gold}\\
&\text{Pt} : \text{Platinum}\\
\end{aligned}
\]
The arrow indicates increasing reactivity from bottom to top. Elements](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F76e38d3b-ade1-4412-8da2-a4b2bcd54116%2Ff2130bba-1a23-4441-a233-34dac50272b6%2Fvq7blz_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Corrosion of Metal Pipes in Tap Water
Because tap water is slightly acidic, water pipes made of iron corrode over time, as shown by the balanced equation:
\[2Fe_{(s)} + 6H^+_{(aq)} \rightarrow 2Fe^{3+}_{(aq)} + 3H_2{(g)}\]
### Explanation of Copper Pipe Resistance to Corrosion
**Question:** Explain, in terms of chemical reactivity, why copper pipes are less likely to corrode than iron pipes.
Copper pipes are less likely to corrode than iron pipes because copper is less reactive than iron. This means that copper does not lose electrons as easily as iron does in the presence of acidic water, making it less likely to undergo the same type of corrosion.
### Reactivity Series of Metals
**Diagram Explanation:**
The diagram below illustrates the reactivity series of metals, which ranks metals from most reactive to least reactive.
- **Most Reactive:** At the top of the series are metals like Potassium (K), Sodium (Na), and Calcium (Ca). These metals react vigorously with water and acids.
- **Least Reactive:** At the bottom of the series are metals like Silver (Ag), Gold (Au), and Platinum (Pt). These metals are much less likely to react with water and acids.
\[
\begin{aligned}
&\text{K} : \text{Potassium}\\
&\text{Na} : \text{Sodium}\\
&\text{Ca} : \text{Calcium}\\
&\text{Mg} : \text{Magnesium}\\
&\text{Al} : \text{Aluminum}\\
&\text{C} : \text{Carbon}\\
&\text{Zn} : \text{Zinc}\\
&\text{Fe} : \text{Iron}\\
&\text{Sn} : \text{Tin}\\
&\text{Pb} : \text{Lead}\\
&\text{H} : \text{Hydrogen}\\
&\text{Cu} : \text{Copper}\\
&\text{Ag} : \text{Silver}\\
&\text{Au} : \text{Gold}\\
&\text{Pt} : \text{Platinum}\\
\end{aligned}
\]
The arrow indicates increasing reactivity from bottom to top. Elements
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