Question

What is the chemical reaction of ferrous sulphate with evolution of a gas having a characteristics odour of burning sulphur

Answer 1

Answer:

FeSO4    →   Fe2O3  +  SO2↑ (g)  +  SO3↑(g)

ferrous          ferric       sulphur        sulphur

sulphate        oxide      dioxide        trioxide

SO2 has a smell of burning sulphur.

This reaction occurs when FeSO4 is heated.            

Explanation: