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What is the correct reason for adding concentrated sulphuric acid slowly to water during dilution?

Answer and explanation

Correct answer: Dilution releases a lot of heat and may cause splashing

The governing concept is that dilution of concentrated sulphuric acid is highly exothermic: considerable heat is released when the acid mixes with water. If water is poured rapidly into acid, the small amount of water may heat suddenly, boil, and throw corrosive acid droplets outward. Therefore, acid is added slowly to a larger volume of water with stirring and suitable protection. The other options describe false changes or incorrectly deny dissolution.

Related tags

Acid-DilutionSafetyExothermicSulphuric-AcidAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And Behaviour

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