Graphite and HCl.... why do they not react?

In summary, graphite and HCl do not react according to a previous lab experiment. However, according to the activity series, carbon should be more reactive than hydrogen and theoretically, the reaction should occur. After researching, it was discovered that the reaction does occur but it is not kinetically favored.
  • #1
RoboNerd
410
11

Homework Statement


Graphite does not react with HCl as I saw in a previous lab.

However, I looked at activity series on google and they all have carbon as more reactive than hydrogen, so theoretically graphite should react with HCl. However, this is not the case.

Homework Equations


No equations. Just plain logic, common sense, and a bit of intuition.

The Attempt at a Solution


I attempted to figure this out by googling all over, but I am still confused. Could anyone please help clarify why graphite and HCl do not react?

Thanks!
 
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  • #2
They do react, it's just that the reaction is not kinetically favored.
 
  • #3
Aha! That explains it! Thanks a lot!
 

1. Why do graphite and HCl not react?

Graphite is a form of carbon that is highly resistant to chemical reactions. This is because its structure consists of strong covalent bonds between carbon atoms, making it difficult for other substances to break apart these bonds. In the case of HCl, the hydrogen and chlorine atoms are also strongly bonded to each other, making it challenging for them to interact with the graphite.

2. Is there any way to make graphite and HCl react?

While it is difficult for graphite and HCl to react due to their strong chemical bonds, there are some conditions under which a reaction may occur. For example, high temperatures or the presence of a catalyst can facilitate the breaking of bonds between the carbon atoms in graphite and the hydrogen and chlorine atoms in HCl, leading to a reaction.

3. Can other forms of carbon, such as diamond, react with HCl?

Similar to graphite, diamond is also a form of carbon with strong covalent bonds. Therefore, it is also resistant to reactions with HCl. However, under certain conditions, such as at high temperatures and pressures, diamond can react with HCl to form different compounds.

4. Are there any potential hazards associated with the reaction between graphite and HCl?

As mentioned earlier, under normal conditions, graphite and HCl do not react. However, if the reaction does occur, it can produce hazardous fumes, such as hydrogen chloride gas. Therefore, it is important to handle HCl and graphite with caution and under proper safety measures to prevent any potential hazards.

5. What other substances can react with graphite?

Aside from HCl, there are other substances that can potentially react with graphite under certain conditions. Some examples include fluorine gas, sulfuric acid, and potassium permanganate. However, the reactivity of graphite towards these substances is still relatively low compared to other elements and compounds.

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