When calcium metal reacts with sulphuric acid the reaction stops after a short while Why ........

Everyday Science Chemistry

When calcium metal reacts with sulphuric acid, the reaction stops after a short while. Why?

This questions was previously asked in

CAPF 2021 Paper-1

The reaction of calcium with sulphuric acid is not feasible at room temperature

Formed calcium sulphate is insoluble in water and covers the calcium metal, preventing it from reacting any further

Formed calcium sulphate requires two molecules of water to crystallize as wpsum

Formed calcium sulphate is unstable

Formed calcium sulphate is insoluble in water and covers the calcium metal, preventing it from reacting any further.

When calcium reacts with sulfuric acid, it forms calcium sulfate (CaSO4) and hydrogen gas.
The calcium sulfate coats the calcium metal surface, forming a barrier that prevents further reaction between the two substances.
Since calcium sulfate is insoluble in water, it remains as a solid precipitate, which limits the amount of hydrogen that can be produced in the reaction.

Submit Error