Difference between liquid HCl and a solution of HCl

In summary, HCl is known as an acid regardless of its state, whether it is in the gaseous form or dissolved in water to form an aqueous solution. The difference between the two is that when HCl gas is dissolved in water, it dissociates to form H+ ions, while liquid HCl is kept under high pressure and carries hydrated protons.
  • #1
donaldparida
146
10
I know that HCl is a compound whose 1 molecule is composed of 1 hydrogen and 1 chlorine atom bonded co-valently to each other, the bond being polar co-valent. It exists in gaseous state at room temperature. When HCl gas is dissolved in water, it dissociates to furnish H+ ions and thus HCl qualifies the definition of an acid.

My question is:When is HCl known as an acid? When it is in the gaseous state or when it is dissolved in water to give an aqueous solution? Also what is the difference between an aqueous solution of HCl gas and liquid HCl?Is liquid HCl also an acid?
 
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  • #2
Both. The gas ionizes in water giving protons. The solution in water carries dissolved or hydrated protons.
LIQUID HCl, would have to be kept under some high pressure.
 

FAQ: Difference between liquid HCl and a solution of HCl

1. What is the difference between liquid HCl and a solution of HCl?

The main difference between liquid HCl and a solution of HCl is the concentration. Liquid HCl, also known as hydrochloric acid, is a highly concentrated form of HCl, usually with a concentration of 37%. On the other hand, a solution of HCl is a mixture of HCl and water, with varying concentrations depending on the intended use.

2. Can liquid HCl and a solution of HCl be used interchangeably?

No, liquid HCl and a solution of HCl cannot be used interchangeably. Due to the difference in concentration, they have different properties and uses. Liquid HCl is highly corrosive and should be handled with caution, while a solution of HCl is typically used for less harsh applications.

3. How are liquid HCl and a solution of HCl produced?

Liquid HCl is typically produced through the reaction of hydrogen gas and chlorine gas, which results in a highly concentrated form of HCl. A solution of HCl is produced by diluting liquid HCl with water, usually using a specific concentration or ratio.

4. What are the uses of liquid HCl and a solution of HCl?

Liquid HCl is commonly used in industrial processes such as metal cleaning and food processing, as well as in chemical synthesis and water treatment. A solution of HCl is used in various industries, including pharmaceuticals, cosmetics, and as a cleaning agent.

5. Are there any safety precautions when handling liquid HCl and a solution of HCl?

Yes, both liquid HCl and a solution of HCl can be hazardous if not handled properly. Liquid HCl is highly corrosive and can cause burns, while a solution of HCl can also be corrosive and may release toxic fumes if mixed with certain substances. It is important to follow safety protocols and wear protective gear when handling these substances.

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