Question

5.
A green colour solid A is heated. First, it changes its colour to white and then turns into a reddish brown
substance producing foul smelling gases. Name the solid A and identify the products formed. Explain with
the help of appropriate equations.
A white solid he
6.​

Answer 1

Explanation:

When we heat ferrous sulphate in presence of air it decomposes into 3 following compounds-

• Ferric oxide (Brown solid)

• Sulphur dioxide ( pungent smell)

• Sulphur trioxide

The reaction is-

2FeSO4 = Fe2O3 + SO2 + SO3