While diluting an acid, why is it recommended that the acid should be added to water and not water to the acid?

• Diluting concentrated acid is an exothermic process. If water is added to a concentrated acid, the heat generated causes the acid mixture to splash out and cause burns. 

• But when acid is added to water slowly, Acid being bulky in nature settles down at the bottom of the Flask and hence the Acid mixture does not splash out.

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Updated on: 10-Oct-2022

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