Question

A small amount of ferrous sulphate is heated in hard glass tube. (a) write the chemical equation. (b) what type of reaction is taking place.( long answer only)

Answer 1

Hey friend here is your answer


Ferrous sulphate FeSO4 when heated strongly , the following changes take place

1. The green colour of ferrous sulphate ( due to water of crystallization ) fades and it turns into reddish brown due to the formation of feeric oxide ( Fe2O3)

2. The smell of burning sulphur can be felt .

The following equation demonstrates this reaction ,

FeSO4----------------Fe2O3+SO2 +SO3

It is a thermal decomposition reaction as ferrous sulphate in the presence of heat decomposes to form reactant

Hope it helps you

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Answer 2

Answer:

 Decomposition reaction.

 2FeSO4(s) +Heat → Fe2O3(s) + SO2(g) + SO3(g)