Question

Name the gas which is released (a)When iron reacts with sulphuric acid. (b)When iron sulfide reacts with sulphuric acid.

Answer 1

Answer:

When dilute sulphuric acid is added to pieces of iron sulphide, hydrogen sulphide gas is produced.

Answer 2

Answer:

b)When iron sulphide is treated with Sulphuric acid , ferrous sulphate & hydrogen sulphide gas is liberated.

FeS + H2SO4 ————→ FeSO4 + H2S

Iron sulphide + sulphuric acid ——→ Ferrous sulphate + Hydrogen sulphide ( gas).

a)What is the chemical equation for iron and sulphuric acid?

Case 1.

Iron reacts with dilute sulphuric acid to form ferrous sulphate.

The balanced equation is:

Fe +H2SO4 -> FeSO4 + H2

Case 2.

Here, iron reacts with concentrated sulphuric acid to give ferric sulphate

Explanation:

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