Why should not add water to acid while can be add acid to water?

Question

Answer

Dilution of concentrated acid is an exothermic process,if water is added to a concentrated acid,the heat generated may cause the mixture to splash out and cause burns. When the acid is added to water slowly with stirring,the mixture will not splash out.

Answer

Yarr chemistry ka bhi jhol na ..
aise samjh lo jb tum water ko concentrated acid me milogi to sudden reaction se acid splash ho skta hai.
aur body pr aa sakta hai .
ydi concentrated acid ko thoda thoda water me milogi to water uske heat ko absorb kr lega easily aur koi problem nhi hogi .

Answer

Why should you not add water to acid while you can add acid to water?

Adding water to acid can be extremely dangerous and should be avoided at all costs. This is because the process of diluting acid with water produces a significant amount of heat. If water is added to acid too quickly or in large quantities, it can cause a violent reaction that can result in splattering of acid and a release of heat and potentially harmful gases. On the other hand, adding acid to water is a much safer process.

Explanation:

1. Exothermic Reaction:
When water is added to acid, it undergoes an exothermic reaction. This means that heat is released as a byproduct of the reaction. The amount of heat released during this process can be significant, especially if a large amount of water is added to a small quantity of acid. The rapid release of heat can cause the mixture to boil and splatter, potentially leading to burns and injuries.

2. Acidic Vapors:
Adding water to acid can also result in the release of acidic vapors. These vapors can be corrosive and can cause respiratory irritation or damage to the respiratory system if inhaled. In some cases, the release of acidic vapors can also lead to the formation of hazardous gases, depending on the specific acid being used.

3. Dilution Process:
When diluting acid, it is important to add acid to water slowly and in small quantities. This allows for better control of the reaction and minimizes the risk of a violent reaction. By adding acid to water, the heat generated is dispersed more effectively, reducing the likelihood of splattering or boiling.

4. Safety Precautions:
To safely dilute acid, follow these guidelines:

- Always wear appropriate protective equipment, such as gloves, goggles, and a lab coat, when working with acids.
- Use a heat-resistant container to mix the acid and water.
- Start by adding a small amount of acid to a larger volume of water, stirring gently as you add the acid.
- Allow the mixture to cool before transferring it to another container or disposing of it.

Conclusion:

In summary, adding water to acid is a dangerous practice that can result in a violent reaction, release of heat, and potentially harmful acidic vapors. It is essential to follow proper safety precautions and add acid to water slowly and in small quantities when diluting acid. By doing so, you can minimize the risk of accidents and ensure your safety when working with acids.

Similar Class 10 Doubts

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