Question

why should water never be added dropwise to conc. h²so⁴?​

Answer 1

Answer:

because the process is highly exthermic and the vessel may break

Answer 2

Answer:

Water should not be added to the acid because it is highly exothermic and can result to an explosion which is harmful to the experiment doer.

In fact on should add acid dropwise to water as water will absorb the heat.

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